diff --git a/include/xrpl/ledger/helpers/EscrowHelpers.h b/include/xrpl/ledger/helpers/EscrowHelpers.h
index 06a2ee0a90..2600299b60 100644
--- a/include/xrpl/ledger/helpers/EscrowHelpers.h
+++ b/include/xrpl/ledger/helpers/EscrowHelpers.h
@@ -175,7 +175,7 @@ escrowUnlockApplyHelper<MPTIssue>(
     bool const receiverIssuer = issuer == receiver;
 
     auto const mptID = amount.get<MPTIssue>().getMptID();
-    auto const issuanceKey = keylet::mptIssuance(mptID);
+    auto const issuanceKey = keylet::mptokenIssuance(mptID);
     if (!view.exists(keylet::mptoken(issuanceKey.key, receiver)) && createAsset && !receiverIssuer)
     {
         if (std::uint32_t const ownerCount = {sleDest->at(sfOwnerCount)};
diff --git a/include/xrpl/protocol/Indexes.h b/include/xrpl/protocol/Indexes.h
index 4be1ba93c6..cbdf644cde 100644
--- a/include/xrpl/protocol/Indexes.h
+++ b/include/xrpl/protocol/Indexes.h
@@ -287,13 +287,13 @@ credential(uint256 const& key) noexcept
 }
 
 Keylet
-mptIssuance(std::uint32_t seq, AccountID const& issuer) noexcept;
+mptokenIssuance(std::uint32_t seq, AccountID const& issuer) noexcept;
 
 Keylet
-mptIssuance(MPTID const& issuanceID) noexcept;
+mptokenIssuance(MPTID const& issuanceID) noexcept;
 
 inline Keylet
-mptIssuance(uint256 const& issuanceKey)
+mptokenIssuance(uint256 const& issuanceKey)
 {
     return {ltMPTOKEN_ISSUANCE, issuanceKey};
 }
diff --git a/include/xrpl/protocol/detail/ledger_entries.macro b/include/xrpl/protocol/detail/ledger_entries.macro
index d8b7c887a1..9764e73aff 100644
--- a/include/xrpl/protocol/detail/ledger_entries.macro
+++ b/include/xrpl/protocol/detail/ledger_entries.macro
@@ -384,7 +384,7 @@ LEDGER_ENTRY(ltAMM, 0x0079, AMM, amm, ({
 }))
 
 /** A ledger object which tracks MPTokenIssuance
-    \sa keylet::mptIssuance
+    \sa keylet::mptokenIssuance
  */
 LEDGER_ENTRY(ltMPTOKEN_ISSUANCE, 0x007e, MPTokenIssuance, mpt_issuance, ({
     {sfIssuer,                   soeREQUIRED},
diff --git a/src/libxrpl/ledger/View.cpp b/src/libxrpl/ledger/View.cpp
index 55735ec0e6..131ecb34a9 100644
--- a/src/libxrpl/ledger/View.cpp
+++ b/src/libxrpl/ledger/View.cpp
@@ -65,7 +65,7 @@ isVaultPseudoAccountFrozen(
     if (depth >= maxAssetCheckDepth)
         return true;  // LCOV_EXCL_LINE
 
-    auto const mptIssuance = view.read(keylet::mptIssuance(mptShare.getMptID()));
+    auto const mptIssuance = view.read(keylet::mptokenIssuance(mptShare.getMptID()));
     if (mptIssuance == nullptr)
         return false;  // zero MPToken won't block deletion of MPTokenIssuance
 
diff --git a/src/libxrpl/ledger/helpers/MPTokenHelpers.cpp b/src/libxrpl/ledger/helpers/MPTokenHelpers.cpp
index c3987ddb03..ee8f9ad894 100644
--- a/src/libxrpl/ledger/helpers/MPTokenHelpers.cpp
+++ b/src/libxrpl/ledger/helpers/MPTokenHelpers.cpp
@@ -41,7 +41,7 @@ namespace xrpl {
 bool
 isGlobalFrozen(ReadView const& view, MPTIssue const& mptIssue)
 {
-    if (auto const sle = view.read(keylet::mptIssuance(mptIssue.getMptID())))
+    if (auto const sle = view.read(keylet::mptokenIssuance(mptIssue.getMptID())))
         return sle->isFlag(lsfMPTLocked);
     return false;
 }
@@ -92,7 +92,7 @@ transferRate(ReadView const& view, MPTID const& issuanceID)
     // fee is 0-50,000 (0-50%), rate is 1,000,000,000-2,000,000,000
     // For example, if transfer fee is 50% then 10,000 * 50,000 = 500,000
     // which represents 50% of 1,000,000,000
-    if (auto const sle = view.read(keylet::mptIssuance(issuanceID));
+    if (auto const sle = view.read(keylet::mptokenIssuance(issuanceID));
         sle && sle->isFieldPresent(sfTransferFee))
     {
         auto const fee = sle->getFieldU16(sfTransferFee);
@@ -107,7 +107,7 @@ transferRate(ReadView const& view, MPTID const& issuanceID)
 canAddHolding(ReadView const& view, MPTIssue const& mptIssue)
 {
     auto mptID = mptIssue.getMptID();
-    auto issuance = view.read(keylet::mptIssuance(mptID));
+    auto issuance = view.read(keylet::mptokenIssuance(mptID));
     if (!issuance)
     {
         return tecOBJECT_NOT_FOUND;
@@ -129,7 +129,7 @@ addEmptyHolding(
     beast::Journal journal)
 {
     auto const& mptID = mptIssue.getMptID();
-    auto const mpt = view.peek(keylet::mptIssuance(mptID));
+    auto const mpt = view.peek(keylet::mptokenIssuance(mptID));
     if (!mpt)
         return tefINTERNAL;  // LCOV_EXCL_LINE
     if (mpt->isFlag(lsfMPTLocked))
@@ -201,7 +201,7 @@ authorizeMPToken(
             return tecINSUFFICIENT_RESERVE;
 
         // Defensive check before we attempt to create MPToken for the issuer
-        auto const mpt = view.read(keylet::mptIssuance(mptIssuanceID));
+        auto const mpt = view.read(keylet::mptokenIssuance(mptIssuanceID));
         if (!mpt || mpt->getAccountID(sfIssuer) == account)
         {
             // LCOV_EXCL_START
@@ -227,7 +227,7 @@ authorizeMPToken(
         return tesSUCCESS;
     }
 
-    auto const sleMptIssuance = view.read(keylet::mptIssuance(mptIssuanceID));
+    auto const sleMptIssuance = view.read(keylet::mptokenIssuance(mptIssuanceID));
     if (!sleMptIssuance)
         return tecINTERNAL;  // LCOV_EXCL_LINE
 
@@ -305,7 +305,7 @@ requireAuth(
     AuthType authType,
     int depth)
 {
-    auto const mptID = keylet::mptIssuance(mptIssue.getMptID());
+    auto const mptID = keylet::mptokenIssuance(mptIssue.getMptID());
     auto const sleIssuance = view.read(mptID);
     if (!sleIssuance)
         return tecOBJECT_NOT_FOUND;
@@ -397,7 +397,7 @@ enforceMPTokenAuthorization(
     XRPAmount const& priorBalance,  // for MPToken authorization
     beast::Journal j)
 {
-    auto const sleIssuance = view.read(keylet::mptIssuance(mptIssuanceID));
+    auto const sleIssuance = view.read(keylet::mptokenIssuance(mptIssuanceID));
     if (!sleIssuance)
         return tefINTERNAL;  // LCOV_EXCL_LINE
 
@@ -496,7 +496,7 @@ canTransfer(
     AccountID const& from,
     AccountID const& to)
 {
-    auto const mptID = keylet::mptIssuance(mptIssue.getMptID());
+    auto const mptID = keylet::mptokenIssuance(mptIssue.getMptID());
     auto const sleIssuance = view.read(mptID);
     if (!sleIssuance)
         return tecOBJECT_NOT_FOUND;
@@ -515,7 +515,7 @@ canTrade(ReadView const& view, Asset const& asset)
     return asset.visit(
         [&](Issue const&) -> TER { return tesSUCCESS; },
         [&](MPTIssue const& mptIssue) -> TER {
-            auto const sleIssuance = view.read(keylet::mptIssuance(mptIssue.getMptID()));
+            auto const sleIssuance = view.read(keylet::mptokenIssuance(mptIssue.getMptID()));
             if (!sleIssuance)
                 return tecOBJECT_NOT_FOUND;
             if (!sleIssuance->isFlag(lsfMPTCanTrade))
@@ -528,7 +528,7 @@ TER
 lockEscrowMPT(ApplyView& view, AccountID const& sender, STAmount const& amount, beast::Journal j)
 {
     auto const mptIssue = amount.get<MPTIssue>();
-    auto const mptID = keylet::mptIssuance(mptIssue.getMptID());
+    auto const mptID = keylet::mptokenIssuance(mptIssue.getMptID());
     auto sleIssuance = view.peek(mptID);
     if (!sleIssuance)
     {  // LCOV_EXCL_START
@@ -633,7 +633,7 @@ unlockEscrowMPT(
 
     auto const& issuer = netAmount.getIssuer();
     auto const& mptIssue = netAmount.get<MPTIssue>();
-    auto const mptID = keylet::mptIssuance(mptIssue.getMptID());
+    auto const mptID = keylet::mptokenIssuance(mptIssue.getMptID());
     auto sleIssuance = view.peek(mptID);
     if (!sleIssuance)
     {  // LCOV_EXCL_START
@@ -817,7 +817,7 @@ checkCreateMPT(
     if (mptIssue.getIssuer() == holder)
         return tesSUCCESS;
 
-    auto const mptIssuanceID = keylet::mptIssuance(mptIssue.getMptID());
+    auto const mptIssuanceID = keylet::mptokenIssuance(mptIssue.getMptID());
     auto const mptokenID = keylet::mptoken(mptIssuanceID.key, holder);
     if (!view.exists(mptokenID))
     {
@@ -853,7 +853,7 @@ availableMPTAmount(SLE const& sleIssuance)
 std::int64_t
 availableMPTAmount(ReadView const& view, MPTID const& mptID)
 {
-    auto const sle = view.read(keylet::mptIssuance(mptID));
+    auto const sle = view.read(keylet::mptokenIssuance(mptID));
     if (!sle)
         Throw<std::runtime_error>(transHuman(tecINTERNAL));
     return availableMPTAmount(*sle);
@@ -877,7 +877,7 @@ issuerFundsToSelfIssue(ReadView const& view, MPTIssue const& issue)
 {
     STAmount amount{issue};
 
-    auto const sle = view.read(keylet::mptIssuance(issue));
+    auto const sle = view.read(keylet::mptokenIssuance(issue));
     if (!sle)
         return amount;
     auto const available = availableMPTAmount(*sle);
@@ -909,7 +909,7 @@ checkMPTAllowed(ReadView const& view, TxType txType, Asset const& asset, Account
     if (!view.exists(keylet::account(issuer)))
         return tecNO_ISSUER;  // LCOV_EXCL_LINE
 
-    auto const issuanceKey = keylet::mptIssuance(issuanceID);
+    auto const issuanceKey = keylet::mptokenIssuance(issuanceID);
     auto const issuanceSle = view.read(issuanceKey);
     if (!issuanceSle)
         return tecOBJECT_NOT_FOUND;  // LCOV_EXCL_LINE
diff --git a/src/libxrpl/ledger/helpers/TokenHelpers.cpp b/src/libxrpl/ledger/helpers/TokenHelpers.cpp
index 309d86507a..f991fe24d1 100644
--- a/src/libxrpl/ledger/helpers/TokenHelpers.cpp
+++ b/src/libxrpl/ledger/helpers/TokenHelpers.cpp
@@ -299,7 +299,7 @@ accountHolds(
     {
         // if the account is the issuer, and the issuance exists, their limit is
         // the issuance limit minus the outstanding value
-        auto const issuance = view.read(keylet::mptIssuance(mptIssue.getMptID()));
+        auto const issuance = view.read(keylet::mptokenIssuance(mptIssue.getMptID()));
 
         if (!issuance)
         {
@@ -336,7 +336,7 @@ accountHolds(
         }
         else if (zeroIfUnauthorized == AuthHandling::ahZERO_IF_UNAUTHORIZED)
         {
-            auto const sleIssuance = view.read(keylet::mptIssuance(mptIssue.getMptID()));
+            auto const sleIssuance = view.read(keylet::mptokenIssuance(mptIssue.getMptID()));
 
             // if auth is enabled on the issuance and mpt is not authorized,
             // clear amount
@@ -1039,7 +1039,7 @@ directSendNoFeeMPT(
     beast::Journal j)
 {
     // Do not check MPT authorization here - it must have been checked earlier
-    auto const mptID = keylet::mptIssuance(saAmount.get<MPTIssue>().getMptID());
+    auto const mptID = keylet::mptokenIssuance(saAmount.get<MPTIssue>().getMptID());
     auto const& issuer = saAmount.getIssuer();
     auto sleIssuance = view.peek(mptID);
     if (!sleIssuance)
@@ -1124,7 +1124,7 @@ directSendNoLimitMPT(
     // Safe to get MPT since directSendNoLimitMPT is only called by accountSendMPT
     auto const& issuer = saAmount.getIssuer();
 
-    auto const sle = view.read(keylet::mptIssuance(saAmount.get<MPTIssue>().getMptID()));
+    auto const sle = view.read(keylet::mptokenIssuance(saAmount.get<MPTIssue>().getMptID()));
     if (!sle)
         return tecOBJECT_NOT_FOUND;
 
@@ -1181,7 +1181,7 @@ directSendNoLimitMultiMPT(
 {
     auto const& issuer = mptIssue.getIssuer();
 
-    auto const sle = view.read(keylet::mptIssuance(mptIssue.getMptID()));
+    auto const sle = view.read(keylet::mptokenIssuance(mptIssue.getMptID()));
     if (!sle)
         return tecOBJECT_NOT_FOUND;
 
diff --git a/src/libxrpl/protocol/Indexes.cpp b/src/libxrpl/protocol/Indexes.cpp
index 6e73a8cd8c..1f073687ae 100644
--- a/src/libxrpl/protocol/Indexes.cpp
+++ b/src/libxrpl/protocol/Indexes.cpp
@@ -519,13 +519,13 @@ oracle(AccountID const& account, std::uint32_t const& documentID) noexcept
 }
 
 Keylet
-mptIssuance(std::uint32_t seq, AccountID const& issuer) noexcept
+mptokenIssuance(std::uint32_t seq, AccountID const& issuer) noexcept
 {
-    return mptIssuance(makeMptID(seq, issuer));
+    return mptokenIssuance(makeMptID(seq, issuer));
 }
 
 Keylet
-mptIssuance(MPTID const& issuanceID) noexcept
+mptokenIssuance(MPTID const& issuanceID) noexcept
 {
     return {ltMPTOKEN_ISSUANCE, indexHash(LedgerNameSpace::MPTOKEN_ISSUANCE, issuanceID)};
 }
@@ -533,7 +533,7 @@ mptIssuance(MPTID const& issuanceID) noexcept
 Keylet
 mptoken(MPTID const& issuanceID, AccountID const& holder) noexcept
 {
-    return mptoken(mptIssuance(issuanceID).key, holder);
+    return mptoken(mptokenIssuance(issuanceID).key, holder);
 }
 
 Keylet
diff --git a/src/libxrpl/tx/invariants/VaultInvariant.cpp b/src/libxrpl/tx/invariants/VaultInvariant.cpp
index 1281cdd58a..c860c58edc 100644
--- a/src/libxrpl/tx/invariants/VaultInvariant.cpp
+++ b/src/libxrpl/tx/invariants/VaultInvariant.cpp
@@ -320,7 +320,7 @@ ValidVault::finalize(
                 return e;
         }
 
-        auto const sleShares = view.read(keylet::mptIssuance(afterVault.shareMPTID));
+        auto const sleShares = view.read(keylet::mptokenIssuance(afterVault.shareMPTID));
 
         return sleShares ? std::optional<Shares>(Shares::make(*sleShares)) : std::nullopt;
     }();
@@ -491,7 +491,7 @@ ValidVault::finalize(
     auto const deltaShares = [&](AccountID const& id) -> std::optional<DeltaInfo> {
         auto const it = [&]() {
             if (id == afterVault.pseudoId)
-                return deltas_.find(keylet::mptIssuance(afterVault.shareMPTID).key);
+                return deltas_.find(keylet::mptokenIssuance(afterVault.shareMPTID).key);
             return deltas_.find(keylet::mptoken(afterVault.shareMPTID, id).key);
         }();
 
diff --git a/src/libxrpl/tx/paths/MPTEndpointStep.cpp b/src/libxrpl/tx/paths/MPTEndpointStep.cpp
index 3dbc4e30cf..f551eccaf0 100644
--- a/src/libxrpl/tx/paths/MPTEndpointStep.cpp
+++ b/src/libxrpl/tx/paths/MPTEndpointStep.cpp
@@ -437,7 +437,7 @@ MPTEndpointStep<TDerived>::maxPaymentFlow(ReadView const& sb) const
         return {toAmount<MPTAmount>(maxFlow), DebtDirection::redeems};
 
     // From an issuer to a holder
-    if (auto const sle = sb.read(keylet::mptIssuance(mptIssue_)))
+    if (auto const sle = sb.read(keylet::mptokenIssuance(mptIssue_)))
     {
         // If issuer is the source account, and it is direct payment then
         // MPTEndpointStep is the only step. Provide available maxFlow.
diff --git a/src/libxrpl/tx/transactors/dex/AMMClawback.cpp b/src/libxrpl/tx/transactors/dex/AMMClawback.cpp
index 20ec184670..faee2efb51 100644
--- a/src/libxrpl/tx/transactors/dex/AMMClawback.cpp
+++ b/src/libxrpl/tx/transactors/dex/AMMClawback.cpp
@@ -141,7 +141,7 @@ AMMClawback::preclaim(PreclaimContext const& ctx)
                     ((issuerFlagsIn & lsfNoFreeze) == 0u);
             },
             [&](MPTIssue const& issue) {
-                auto const sleIssuance = ctx.view.read(keylet::mptIssuance(issue.getMptID()));
+                auto const sleIssuance = ctx.view.read(keylet::mptokenIssuance(issue.getMptID()));
 
                 return sleIssuance && sleIssuance->isFlag(lsfMPTCanClawback) &&
                     sleIssuance->getAccountID(sfIssuer) == ctx.tx[sfAccount];
diff --git a/src/libxrpl/tx/transactors/dex/AMMCreate.cpp b/src/libxrpl/tx/transactors/dex/AMMCreate.cpp
index 20b224a774..31c7839b0b 100644
--- a/src/libxrpl/tx/transactors/dex/AMMCreate.cpp
+++ b/src/libxrpl/tx/transactors/dex/AMMCreate.cpp
@@ -208,7 +208,7 @@ AMMCreate::preclaim(PreclaimContext const& ctx)
     auto clawbackDisabled = [&](Asset const& asset) -> TER {
         return asset.visit(
             [&](MPTIssue const& issue) -> TER {
-                auto const sle = ctx.view.read(keylet::mptIssuance(issue.getMptID()));
+                auto const sle = ctx.view.read(keylet::mptokenIssuance(issue.getMptID()));
                 if (!sle)
                     return tecINTERNAL;  // LCOV_EXCL_LINE
                 if (sle->isFlag(lsfMPTCanClawback))
diff --git a/src/libxrpl/tx/transactors/dex/AMMWithdraw.cpp b/src/libxrpl/tx/transactors/dex/AMMWithdraw.cpp
index bcf5fddea1..7da7f39893 100644
--- a/src/libxrpl/tx/transactors/dex/AMMWithdraw.cpp
+++ b/src/libxrpl/tx/transactors/dex/AMMWithdraw.cpp
@@ -612,7 +612,7 @@ AMMWithdraw::withdraw(
         bool const assetNotExists = [&] {
             if (isIssue)
                 return !view.exists(keylet::rippleState(account, asset.get<Issue>()));
-            auto const issuanceKey = keylet::mptIssuance(asset.get<MPTIssue>());
+            auto const issuanceKey = keylet::mptokenIssuance(asset.get<MPTIssue>());
             mptokenKey = keylet::mptoken(issuanceKey.key, account);
             if (!view.exists(*mptokenKey))
                 return true;
diff --git a/src/libxrpl/tx/transactors/escrow/EscrowCancel.cpp b/src/libxrpl/tx/transactors/escrow/EscrowCancel.cpp
index edc07fa0f7..30050d4bad 100644
--- a/src/libxrpl/tx/transactors/escrow/EscrowCancel.cpp
+++ b/src/libxrpl/tx/transactors/escrow/EscrowCancel.cpp
@@ -73,7 +73,7 @@ escrowCancelPreclaimHelper<MPTIssue>(
         return tecINTERNAL;  // LCOV_EXCL_LINE
 
     // If the mpt does not exist, return tecOBJECT_NOT_FOUND
-    auto const issuanceKey = keylet::mptIssuance(amount.get<MPTIssue>().getMptID());
+    auto const issuanceKey = keylet::mptokenIssuance(amount.get<MPTIssue>().getMptID());
     auto const sleIssuance = ctx.view.read(issuanceKey);
     if (!sleIssuance)
         return tecOBJECT_NOT_FOUND;
diff --git a/src/libxrpl/tx/transactors/escrow/EscrowCreate.cpp b/src/libxrpl/tx/transactors/escrow/EscrowCreate.cpp
index 395ae089ae..95cc7e3b3c 100644
--- a/src/libxrpl/tx/transactors/escrow/EscrowCreate.cpp
+++ b/src/libxrpl/tx/transactors/escrow/EscrowCreate.cpp
@@ -261,7 +261,7 @@ escrowCreatePreclaimHelper<MPTIssue>(
         return tecNO_PERMISSION;
 
     // If the mpt does not exist, return tecOBJECT_NOT_FOUND
-    auto const issuanceKey = keylet::mptIssuance(amount.get<MPTIssue>().getMptID());
+    auto const issuanceKey = keylet::mptokenIssuance(amount.get<MPTIssue>().getMptID());
     auto const sleIssuance = ctx.view.read(issuanceKey);
     if (!sleIssuance)
         return tecOBJECT_NOT_FOUND;
diff --git a/src/libxrpl/tx/transactors/escrow/EscrowFinish.cpp b/src/libxrpl/tx/transactors/escrow/EscrowFinish.cpp
index c8697fbaa8..44124d7d3e 100644
--- a/src/libxrpl/tx/transactors/escrow/EscrowFinish.cpp
+++ b/src/libxrpl/tx/transactors/escrow/EscrowFinish.cpp
@@ -173,7 +173,7 @@ escrowFinishPreclaimHelper<MPTIssue>(
         return tesSUCCESS;
 
     // If the mpt does not exist, return tecOBJECT_NOT_FOUND
-    auto const issuanceKey = keylet::mptIssuance(amount.get<MPTIssue>().getMptID());
+    auto const issuanceKey = keylet::mptokenIssuance(amount.get<MPTIssue>().getMptID());
     auto const sleIssuance = ctx.view.read(issuanceKey);
     if (!sleIssuance)
         return tecOBJECT_NOT_FOUND;
diff --git a/src/libxrpl/tx/transactors/lending/LoanBrokerCoverClawback.cpp b/src/libxrpl/tx/transactors/lending/LoanBrokerCoverClawback.cpp
index 6dc57479e6..ab19b1186a 100644
--- a/src/libxrpl/tx/transactors/lending/LoanBrokerCoverClawback.cpp
+++ b/src/libxrpl/tx/transactors/lending/LoanBrokerCoverClawback.cpp
@@ -208,7 +208,7 @@ preclaimHelper<MPTIssue>(
     SLE const& sleIssuer,
     STAmount const& clawAmount)
 {
-    auto const issuanceKey = keylet::mptIssuance(clawAmount.get<MPTIssue>().getMptID());
+    auto const issuanceKey = keylet::mptokenIssuance(clawAmount.get<MPTIssue>().getMptID());
     auto const sleIssuance = ctx.view.read(issuanceKey);
     if (!sleIssuance)
         return tecOBJECT_NOT_FOUND;
diff --git a/src/libxrpl/tx/transactors/token/Clawback.cpp b/src/libxrpl/tx/transactors/token/Clawback.cpp
index 99323d1b8a..dd0bae9cf7 100644
--- a/src/libxrpl/tx/transactors/token/Clawback.cpp
+++ b/src/libxrpl/tx/transactors/token/Clawback.cpp
@@ -158,7 +158,7 @@ preclaimHelper<MPTIssue>(
     AccountID const& holder,
     STAmount const& clawAmount)
 {
-    auto const issuanceKey = keylet::mptIssuance(clawAmount.get<MPTIssue>().getMptID());
+    auto const issuanceKey = keylet::mptokenIssuance(clawAmount.get<MPTIssue>().getMptID());
     auto const sleIssuance = ctx.view.read(issuanceKey);
     if (!sleIssuance)
         return tecOBJECT_NOT_FOUND;
diff --git a/src/libxrpl/tx/transactors/token/MPTokenAuthorize.cpp b/src/libxrpl/tx/transactors/token/MPTokenAuthorize.cpp
index c0fbb7f10b..744f46c6fb 100644
--- a/src/libxrpl/tx/transactors/token/MPTokenAuthorize.cpp
+++ b/src/libxrpl/tx/transactors/token/MPTokenAuthorize.cpp
@@ -66,7 +66,7 @@ MPTokenAuthorize::preclaim(PreclaimContext const& ctx)
             if ((*sleMpt)[sfMPTAmount] != 0)
             {
                 auto const sleMptIssuance =
-                    ctx.view.read(keylet::mptIssuance(ctx.tx[sfMPTokenIssuanceID]));
+                    ctx.view.read(keylet::mptokenIssuance(ctx.tx[sfMPTokenIssuanceID]));
                 if (!sleMptIssuance)
                     return tefINTERNAL;  // LCOV_EXCL_LINE
 
@@ -76,7 +76,7 @@ MPTokenAuthorize::preclaim(PreclaimContext const& ctx)
             if ((*sleMpt)[~sfLockedAmount].value_or(0) != 0)
             {
                 auto const sleMptIssuance =
-                    ctx.view.read(keylet::mptIssuance(ctx.tx[sfMPTokenIssuanceID]));
+                    ctx.view.read(keylet::mptokenIssuance(ctx.tx[sfMPTokenIssuanceID]));
                 if (!sleMptIssuance)
                     return tefINTERNAL;  // LCOV_EXCL_LINE
 
@@ -89,7 +89,8 @@ MPTokenAuthorize::preclaim(PreclaimContext const& ctx)
         }
 
         // Now test when the holder wants to hold/create/authorize a new MPT
-        auto const sleMptIssuance = ctx.view.read(keylet::mptIssuance(ctx.tx[sfMPTokenIssuanceID]));
+        auto const sleMptIssuance =
+            ctx.view.read(keylet::mptokenIssuance(ctx.tx[sfMPTokenIssuanceID]));
 
         if (!sleMptIssuance)
             return tecOBJECT_NOT_FOUND;
@@ -108,7 +109,7 @@ MPTokenAuthorize::preclaim(PreclaimContext const& ctx)
     if (!sleHolder)
         return tecNO_DST;
 
-    auto const sleMptIssuance = ctx.view.read(keylet::mptIssuance(ctx.tx[sfMPTokenIssuanceID]));
+    auto const sleMptIssuance = ctx.view.read(keylet::mptokenIssuance(ctx.tx[sfMPTokenIssuanceID]));
     if (!sleMptIssuance)
         return tecOBJECT_NOT_FOUND;
 
diff --git a/src/libxrpl/tx/transactors/token/MPTokenIssuanceCreate.cpp b/src/libxrpl/tx/transactors/token/MPTokenIssuanceCreate.cpp
index 42fc037431..15ad913c7a 100644
--- a/src/libxrpl/tx/transactors/token/MPTokenIssuanceCreate.cpp
+++ b/src/libxrpl/tx/transactors/token/MPTokenIssuanceCreate.cpp
@@ -106,7 +106,7 @@ MPTokenIssuanceCreate::create(ApplyView& view, beast::Journal journal, MPTCreate
         return Unexpected(tecINSUFFICIENT_RESERVE);
 
     auto const mptId = makeMptID(args.sequence, args.account);
-    auto const mptIssuanceKeylet = keylet::mptIssuance(mptId);
+    auto const mptIssuanceKeylet = keylet::mptokenIssuance(mptId);
 
     // create the MPTokenIssuance
     {
diff --git a/src/libxrpl/tx/transactors/token/MPTokenIssuanceDestroy.cpp b/src/libxrpl/tx/transactors/token/MPTokenIssuanceDestroy.cpp
index 80b185641a..9268a2a459 100644
--- a/src/libxrpl/tx/transactors/token/MPTokenIssuanceDestroy.cpp
+++ b/src/libxrpl/tx/transactors/token/MPTokenIssuanceDestroy.cpp
@@ -23,7 +23,7 @@ TER
 MPTokenIssuanceDestroy::preclaim(PreclaimContext const& ctx)
 {
     // ensure that issuance exists
-    auto const sleMPT = ctx.view.read(keylet::mptIssuance(ctx.tx[sfMPTokenIssuanceID]));
+    auto const sleMPT = ctx.view.read(keylet::mptokenIssuance(ctx.tx[sfMPTokenIssuanceID]));
     if (!sleMPT)
         return tecOBJECT_NOT_FOUND;
 
@@ -44,7 +44,7 @@ MPTokenIssuanceDestroy::preclaim(PreclaimContext const& ctx)
 TER
 MPTokenIssuanceDestroy::doApply()
 {
-    auto const mpt = view().peek(keylet::mptIssuance(ctx_.tx[sfMPTokenIssuanceID]));
+    auto const mpt = view().peek(keylet::mptokenIssuance(ctx_.tx[sfMPTokenIssuanceID]));
     if (account_ != mpt->getAccountID(sfIssuer))
         return tecINTERNAL;  // LCOV_EXCL_LINE
 
diff --git a/src/libxrpl/tx/transactors/token/MPTokenIssuanceSet.cpp b/src/libxrpl/tx/transactors/token/MPTokenIssuanceSet.cpp
index 540dd6ef0c..1adcab4226 100644
--- a/src/libxrpl/tx/transactors/token/MPTokenIssuanceSet.cpp
+++ b/src/libxrpl/tx/transactors/token/MPTokenIssuanceSet.cpp
@@ -180,7 +180,7 @@ TER
 MPTokenIssuanceSet::preclaim(PreclaimContext const& ctx)
 {
     // ensure that issuance exists
-    auto const sleMptIssuance = ctx.view.read(keylet::mptIssuance(ctx.tx[sfMPTokenIssuanceID]));
+    auto const sleMptIssuance = ctx.view.read(keylet::mptokenIssuance(ctx.tx[sfMPTokenIssuanceID]));
     if (!sleMptIssuance)
         return tecOBJECT_NOT_FOUND;
 
@@ -283,7 +283,7 @@ MPTokenIssuanceSet::doApply()
     }
     else
     {
-        sle = view().peek(keylet::mptIssuance(mptIssuanceID));
+        sle = view().peek(keylet::mptokenIssuance(mptIssuanceID));
     }
 
     if (!sle)
diff --git a/src/libxrpl/tx/transactors/vault/VaultClawback.cpp b/src/libxrpl/tx/transactors/vault/VaultClawback.cpp
index da22b82578..417a040326 100644
--- a/src/libxrpl/tx/transactors/vault/VaultClawback.cpp
+++ b/src/libxrpl/tx/transactors/vault/VaultClawback.cpp
@@ -88,7 +88,7 @@ VaultClawback::preclaim(PreclaimContext const& ctx)
     auto const holder = ctx.tx[sfHolder];
     auto const maybeAmount = ctx.tx[~sfAmount];
     auto const mptIssuanceID = vault->at(sfShareMPTID);
-    auto const sleShareIssuance = ctx.view.read(keylet::mptIssuance(mptIssuanceID));
+    auto const sleShareIssuance = ctx.view.read(keylet::mptokenIssuance(mptIssuanceID));
     if (!sleShareIssuance)
     {
         // LCOV_EXCL_START
@@ -182,7 +182,7 @@ VaultClawback::preclaim(PreclaimContext const& ctx)
 
         return vaultAsset.visit(
             [&](MPTIssue const& issue) -> TER {
-                auto const mptIssue = ctx.view.read(keylet::mptIssuance(issue.getMptID()));
+                auto const mptIssue = ctx.view.read(keylet::mptokenIssuance(issue.getMptID()));
                 if (mptIssue == nullptr)
                     return tecOBJECT_NOT_FOUND;
 
@@ -352,7 +352,7 @@ VaultClawback::doApply()
         return tefINTERNAL;  // LCOV_EXCL_LINE
 
     auto const mptIssuanceID = *vault->at(sfShareMPTID);
-    auto const sleIssuance = view().read(keylet::mptIssuance(mptIssuanceID));
+    auto const sleIssuance = view().read(keylet::mptokenIssuance(mptIssuanceID));
     if (!sleIssuance)
     {
         // LCOV_EXCL_START
diff --git a/src/libxrpl/tx/transactors/vault/VaultDelete.cpp b/src/libxrpl/tx/transactors/vault/VaultDelete.cpp
index e4542d524f..a4b479e900 100644
--- a/src/libxrpl/tx/transactors/vault/VaultDelete.cpp
+++ b/src/libxrpl/tx/transactors/vault/VaultDelete.cpp
@@ -59,7 +59,7 @@ VaultDelete::preclaim(PreclaimContext const& ctx)
     }
 
     // Verify we can destroy MPTokenIssuance
-    auto const sleMPT = ctx.view.read(keylet::mptIssuance(vault->at(sfShareMPTID)));
+    auto const sleMPT = ctx.view.read(keylet::mptokenIssuance(vault->at(sfShareMPTID)));
 
     if (!sleMPT)
     {
@@ -112,7 +112,7 @@ VaultDelete::doApply()
     // Destroy the share issuance. Do not use MPTokenIssuanceDestroy for this,
     // no special logic needed. First run few checks, duplicated from preclaim.
     auto const shareMPTID = *vault->at(sfShareMPTID);
-    auto const mpt = view().peek(keylet::mptIssuance(shareMPTID));
+    auto const mpt = view().peek(keylet::mptokenIssuance(shareMPTID));
     if (!mpt)
     {
         // LCOV_EXCL_START
diff --git a/src/libxrpl/tx/transactors/vault/VaultDeposit.cpp b/src/libxrpl/tx/transactors/vault/VaultDeposit.cpp
index fbb8908ddb..5c2c00c292 100644
--- a/src/libxrpl/tx/transactors/vault/VaultDeposit.cpp
+++ b/src/libxrpl/tx/transactors/vault/VaultDeposit.cpp
@@ -70,7 +70,7 @@ VaultDeposit::preclaim(PreclaimContext const& ctx)
         // LCOV_EXCL_STOP
     }
 
-    auto const sleIssuance = ctx.view.read(keylet::mptIssuance(mptIssuanceID));
+    auto const sleIssuance = ctx.view.read(keylet::mptokenIssuance(mptIssuanceID));
     if (!sleIssuance)
     {
         // LCOV_EXCL_START
@@ -145,7 +145,7 @@ VaultDeposit::doApply()
     auto const amount = ctx_.tx[sfAmount];
     // Make sure the depositor can hold shares.
     auto const mptIssuanceID = (*vault)[sfShareMPTID];
-    auto const sleIssuance = view().read(keylet::mptIssuance(mptIssuanceID));
+    auto const sleIssuance = view().read(keylet::mptokenIssuance(mptIssuanceID));
     if (!sleIssuance)
     {
         // LCOV_EXCL_START
diff --git a/src/libxrpl/tx/transactors/vault/VaultSet.cpp b/src/libxrpl/tx/transactors/vault/VaultSet.cpp
index a5b0b20699..344346d434 100644
--- a/src/libxrpl/tx/transactors/vault/VaultSet.cpp
+++ b/src/libxrpl/tx/transactors/vault/VaultSet.cpp
@@ -77,7 +77,7 @@ VaultSet::preclaim(PreclaimContext const& ctx)
     }
 
     auto const mptIssuanceID = (*vault)[sfShareMPTID];
-    auto const sleIssuance = ctx.view.read(keylet::mptIssuance(mptIssuanceID));
+    auto const sleIssuance = ctx.view.read(keylet::mptokenIssuance(mptIssuanceID));
     if (!sleIssuance)
     {
         // LCOV_EXCL_START
@@ -132,7 +132,7 @@ VaultSet::doApply()
     auto const vaultAsset = vault->at(sfAsset);
 
     auto const mptIssuanceID = (*vault)[sfShareMPTID];
-    auto const sleIssuance = view().peek(keylet::mptIssuance(mptIssuanceID));
+    auto const sleIssuance = view().peek(keylet::mptokenIssuance(mptIssuanceID));
     if (!sleIssuance)
     {
         // LCOV_EXCL_START
diff --git a/src/libxrpl/tx/transactors/vault/VaultWithdraw.cpp b/src/libxrpl/tx/transactors/vault/VaultWithdraw.cpp
index 3e608733b6..7157b980d0 100644
--- a/src/libxrpl/tx/transactors/vault/VaultWithdraw.cpp
+++ b/src/libxrpl/tx/transactors/vault/VaultWithdraw.cpp
@@ -86,7 +86,7 @@ VaultWithdraw::preclaim(PreclaimContext const& ctx)
         // to the equivalent asset amount before checking withdrawal
         // limits. Pre-amendment the limit check was skipped for
         // share-denominated withdrawals.
-        auto const sleIssuance = ctx.view.read(keylet::mptIssuance(vaultShare));
+        auto const sleIssuance = ctx.view.read(keylet::mptokenIssuance(vaultShare));
         if (!sleIssuance)
         {
             // LCOV_EXCL_START
@@ -155,7 +155,7 @@ VaultWithdraw::doApply()
         return tefINTERNAL;  // LCOV_EXCL_LINE
 
     auto const mptIssuanceID = *((*vault)[sfShareMPTID]);
-    auto const sleIssuance = view().read(keylet::mptIssuance(mptIssuanceID));
+    auto const sleIssuance = view().read(keylet::mptokenIssuance(mptIssuanceID));
     if (!sleIssuance)
     {
         // LCOV_EXCL_START
diff --git a/src/test/app/EscrowToken_test.cpp b/src/test/app/EscrowToken_test.cpp
index d77043a624..e837e3dbec 100644
--- a/src/test/app/EscrowToken_test.cpp
+++ b/src/test/app/EscrowToken_test.cpp
@@ -57,7 +57,7 @@ struct EscrowToken_test : public beast::unit_test::suite
     static uint64_t
     issuerMPTEscrowed(jtx::Env const& env, jtx::MPT const& mpt)
     {
-        auto const sle = env.le(keylet::mptIssuance(mpt.mpt()));
+        auto const sle = env.le(keylet::mptokenIssuance(mpt.mpt()));
         if (sle && sle->isFieldPresent(sfLockedAmount))
             return (*sle)[sfLockedAmount];
         return 0;
@@ -3113,7 +3113,8 @@ struct EscrowToken_test : public beast::unit_test::suite
             BEAST_EXPECT(mptEscrowed(env, bob, MPT) == 0);
             BEAST_EXPECT(env.balance(gw, MPT) == outstandingMPT);
             BEAST_EXPECT(issuerMPTEscrowed(env, MPT) == 0);
-            BEAST_EXPECT(!env.le(keylet::mptIssuance(MPT.mpt()))->isFieldPresent(sfLockedAmount));
+            BEAST_EXPECT(
+                !env.le(keylet::mptokenIssuance(MPT.mpt()))->isFieldPresent(sfLockedAmount));
         }
 
         // Max MPT Amount Issued (Escrow Max MPT)
diff --git a/src/test/app/Invariants_test.cpp b/src/test/app/Invariants_test.cpp
index 9ecd6f53f3..c6ce01f6d9 100644
--- a/src/test/app/Invariants_test.cpp
+++ b/src/test/app/Invariants_test.cpp
@@ -960,7 +960,7 @@ class Invariants_test : public beast::unit_test::suite
                     return false;
 
                 MPTIssue const mpt{makeMptID(1, AccountID(0x4985601))};
-                auto sleNew = std::make_shared<SLE>(keylet::mptIssuance(mpt.getMptID()));
+                auto sleNew = std::make_shared<SLE>(keylet::mptokenIssuance(mpt.getMptID()));
                 sleNew->setFieldU64(sfOutstandingAmount, -1);
                 ac.view().insert(sleNew);
                 return true;
@@ -976,7 +976,7 @@ class Invariants_test : public beast::unit_test::suite
                     return false;
 
                 MPTIssue const mpt{makeMptID(1, AccountID(0x4985601))};
-                auto sleNew = std::make_shared<SLE>(keylet::mptIssuance(mpt.getMptID()));
+                auto sleNew = std::make_shared<SLE>(keylet::mptokenIssuance(mpt.getMptID()));
                 sleNew->setFieldU64(sfLockedAmount, -1);
                 ac.view().insert(sleNew);
                 return true;
@@ -992,7 +992,7 @@ class Invariants_test : public beast::unit_test::suite
                     return false;
 
                 MPTIssue const mpt{makeMptID(1, AccountID(0x4985601))};
-                auto sleNew = std::make_shared<SLE>(keylet::mptIssuance(mpt.getMptID()));
+                auto sleNew = std::make_shared<SLE>(keylet::mptokenIssuance(mpt.getMptID()));
                 sleNew->setFieldU64(sfOutstandingAmount, 1);
                 sleNew->setFieldU64(sfLockedAmount, 10);
                 ac.view().insert(sleNew);
@@ -2438,7 +2438,7 @@ class Invariants_test : public beast::unit_test::suite
                 return false;
 
             auto const mptIssuanceID = (*sleVault)[sfShareMPTID];
-            auto sleShares = ac.peek(keylet::mptIssuance(mptIssuanceID));
+            auto sleShares = ac.peek(keylet::mptokenIssuance(mptIssuanceID));
             if (!sleShares)
                 return false;
 
@@ -2740,7 +2740,7 @@ class Invariants_test : public beast::unit_test::suite
                 auto sleVault = ac.view().peek(keylet);
                 if (!sleVault)
                     return false;
-                auto sleShares = ac.view().peek(keylet::mptIssuance((*sleVault)[sfShareMPTID]));
+                auto sleShares = ac.view().peek(keylet::mptokenIssuance((*sleVault)[sfShareMPTID]));
                 if (!sleShares)
                     return false;
                 ac.view().erase(sleVault);
@@ -2765,7 +2765,7 @@ class Invariants_test : public beast::unit_test::suite
                 auto sleVault = ac.view().peek(keylet);
                 if (!sleVault)
                     return false;
-                auto sleShares = ac.view().peek(keylet::mptIssuance((*sleVault)[sfShareMPTID]));
+                auto sleShares = ac.view().peek(keylet::mptokenIssuance((*sleVault)[sfShareMPTID]));
                 if (!sleShares)
                     return false;
                 // Note, such an "orphaned" update of MPT issuance attached to a
@@ -2855,7 +2855,7 @@ class Invariants_test : public beast::unit_test::suite
                 (*sleVault)[sfAssetsMaximum] = 200;
                 ac.view().update(sleVault);
 
-                auto sleShares = ac.view().peek(keylet::mptIssuance((*sleVault)[sfShareMPTID]));
+                auto sleShares = ac.view().peek(keylet::mptokenIssuance((*sleVault)[sfShareMPTID]));
                 if (!sleShares)
                     return false;
                 ac.view().erase(sleShares);
@@ -3051,7 +3051,7 @@ class Invariants_test : public beast::unit_test::suite
                 if (!sleVault)
                     return false;
                 ac.view().update(sleVault);
-                auto sleShares = ac.view().peek(keylet::mptIssuance((*sleVault)[sfShareMPTID]));
+                auto sleShares = ac.view().peek(keylet::mptokenIssuance((*sleVault)[sfShareMPTID]));
                 if (!sleShares)
                     return false;
                 (*sleShares)[sfOutstandingAmount] = 0;
@@ -3071,7 +3071,7 @@ class Invariants_test : public beast::unit_test::suite
                 auto sleVault = ac.view().peek(keylet);
                 if (!sleVault)
                     return false;
-                auto sleShares = ac.view().peek(keylet::mptIssuance((*sleVault)[sfShareMPTID]));
+                auto sleShares = ac.view().peek(keylet::mptokenIssuance((*sleVault)[sfShareMPTID]));
                 if (!sleShares)
                     return false;
                 (*sleShares)[sfMaximumAmount] = 10;
@@ -3094,7 +3094,7 @@ class Invariants_test : public beast::unit_test::suite
                 auto sleVault = ac.view().peek(keylet);
                 if (!sleVault)
                     return false;
-                auto sleShares = ac.view().peek(keylet::mptIssuance((*sleVault)[sfShareMPTID]));
+                auto sleShares = ac.view().peek(keylet::mptokenIssuance((*sleVault)[sfShareMPTID]));
                 if (!sleShares)
                     return false;
                 (*sleShares)[sfOutstandingAmount] = maxMPTokenAmount + 1;
@@ -3196,7 +3196,7 @@ class Invariants_test : public beast::unit_test::suite
                 auto sleVault = ac.view().peek(keylet);
                 if (!sleVault)
                     return false;
-                auto sleShares = ac.view().peek(keylet::mptIssuance((*sleVault)[sfShareMPTID]));
+                auto sleShares = ac.view().peek(keylet::mptokenIssuance((*sleVault)[sfShareMPTID]));
                 if (!sleShares)
                     return false;
                 ac.view().update(sleVault);
@@ -3248,7 +3248,7 @@ class Invariants_test : public beast::unit_test::suite
                 auto sleVault = ac.view().peek(keylet);
                 if (!sleVault)
                     return false;
-                auto sleShares = ac.view().peek(keylet::mptIssuance((*sleVault)[sfShareMPTID]));
+                auto sleShares = ac.view().peek(keylet::mptokenIssuance((*sleVault)[sfShareMPTID]));
                 if (!sleShares)
                     return false;
                 ac.view().update(sleVault);
@@ -3295,7 +3295,7 @@ class Invariants_test : public beast::unit_test::suite
                 ac.view().insert(sleAccount);
 
                 auto const sharesMptId = makeMptID(sequence, pseudoId);
-                auto const sharesKeylet = keylet::mptIssuance(sharesMptId);
+                auto const sharesKeylet = keylet::mptokenIssuance(sharesMptId);
                 auto sleShares = std::make_shared<SLE>(sharesKeylet);
                 auto const sharesPage = ac.view().dirInsert(
                     keylet::ownerDir(pseudoId), sharesKeylet, describeOwnerDir(pseudoId));
@@ -3353,7 +3353,7 @@ class Invariants_test : public beast::unit_test::suite
                 ac.view().insert(sleAccount);
 
                 auto const sharesMptId = makeMptID(sequence, pseudoId);
-                auto const sharesKeylet = keylet::mptIssuance(sharesMptId);
+                auto const sharesKeylet = keylet::mptokenIssuance(sharesMptId);
                 auto sleShares = std::make_shared<SLE>(sharesKeylet);
                 auto const sharesPage = ac.view().dirInsert(
                     keylet::ownerDir(pseudoId), sharesKeylet, describeOwnerDir(pseudoId));
@@ -3395,7 +3395,7 @@ class Invariants_test : public beast::unit_test::suite
                 sleVault->setFieldU64(sfOwnerNode, *vaultPage);
 
                 auto const sharesMptId = makeMptID(sequence, A2.id());
-                auto const sharesKeylet = keylet::mptIssuance(sharesMptId);
+                auto const sharesKeylet = keylet::mptokenIssuance(sharesMptId);
                 auto sleShares = std::make_shared<SLE>(sharesKeylet);
                 auto const sharesPage = ac.view().dirInsert(
                     keylet::ownerDir(A2.id()), sharesKeylet, describeOwnerDir(A2.id()));
@@ -3978,7 +3978,7 @@ class Invariants_test : public beast::unit_test::suite
                     return false;
 
                 MPTIssue const mpt{makeMptID(sle->getFieldU32(sfSequence), A1)};
-                auto sleNew = std::make_shared<SLE>(keylet::mptIssuance(mpt.getMptID()));
+                auto sleNew = std::make_shared<SLE>(keylet::mptokenIssuance(mpt.getMptID()));
                 sleNew->setFieldU64(sfOutstandingAmount, 110);
                 sleNew->setFieldU64(sfMaximumAmount, 100);
                 ac.view().insert(sleNew);
@@ -3995,7 +3995,7 @@ class Invariants_test : public beast::unit_test::suite
                     return false;
 
                 MPTIssue const mpt{makeMptID(sle->getFieldU32(sfSequence), A1)};
-                auto sleNew = std::make_shared<SLE>(keylet::mptIssuance(mpt.getMptID()));
+                auto sleNew = std::make_shared<SLE>(keylet::mptokenIssuance(mpt.getMptID()));
                 sleNew->setFieldU64(sfOutstandingAmount, 100);
                 sleNew->setFieldU64(sfMaximumAmount, 100);
                 ac.view().insert(sleNew);
@@ -4039,7 +4039,7 @@ class Invariants_test : public beast::unit_test::suite
             });
         testPayment(
             "OutstandingAmount overflow", [&](MPTID const& id, ApplyContext& ac, Account const&) {
-                auto sle = ac.view().peek(keylet::mptIssuance(id));
+                auto sle = ac.view().peek(keylet::mptokenIssuance(id));
                 if (!sle)
                     return false;
                 sle->setFieldU64(sfOutstandingAmount, 101);
@@ -4066,7 +4066,8 @@ class Invariants_test : public beast::unit_test::suite
                     for (int i = 0; i < nTokens; ++i)
                     {
                         MPTIssue const mpt{makeMptID(seq + i, A1)};
-                        auto sleNew = std::make_shared<SLE>(keylet::mptIssuance(mpt.getMptID()));
+                        auto sleNew =
+                            std::make_shared<SLE>(keylet::mptokenIssuance(mpt.getMptID()));
                         ac.view().insert(sleNew);
 
                         sleNew = std::make_shared<SLE>(keylet::mptoken(mpt.getMptID(), A2));
@@ -4230,7 +4231,7 @@ class Invariants_test : public beast::unit_test::suite
                     return false;
 
                 MPTIssue const mpt{makeMptID(1, AccountID(0x4985601))};
-                auto sleNew = std::make_shared<SLE>(keylet::mptIssuance(mpt.getMptID()));
+                auto sleNew = std::make_shared<SLE>(keylet::mptokenIssuance(mpt.getMptID()));
                 // outstanding exceeds maxMPTokenAmount -> checkAmount sets bad_
                 sleNew->setFieldU64(sfOutstandingAmount, maxMPTokenAmount + 1);
                 // locked is valid and <= outstanding -> must NOT clear bad_
diff --git a/src/test/app/MPToken_test.cpp b/src/test/app/MPToken_test.cpp
index 681d2f2577..03b046d48a 100644
--- a/src/test/app/MPToken_test.cpp
+++ b/src/test/app/MPToken_test.cpp
@@ -3344,7 +3344,7 @@ class MPToken_test : public beast::unit_test::suite
             // view may contain partial state and must be discarded.
             if (expectedOutstanding)
             {
-                auto const sle = av.peek(keylet::mptIssuance(mptt.issuanceID()));
+                auto const sle = av.peek(keylet::mptokenIssuance(mptt.issuanceID()));
                 if (!BEAST_EXPECT(sle))
                     return;
                 BEAST_EXPECTS(sle->getFieldU64(sfOutstandingAmount) == *expectedOutstanding, label);
diff --git a/src/test/app/Vault_test.cpp b/src/test/app/Vault_test.cpp
index bd40267155..50280ab96b 100644
--- a/src/test/app/Vault_test.cpp
+++ b/src/test/app/Vault_test.cpp
@@ -108,7 +108,7 @@ class Vault_test : public beast::unit_test::suite
                 {
                     BEAST_EXPECT(vault->at(sfScale) == 0);
                 }
-                auto const shares = env.le(keylet::mptIssuance(vault->at(sfShareMPTID)));
+                auto const shares = env.le(keylet::mptokenIssuance(vault->at(sfShareMPTID)));
                 BEAST_EXPECT(shares != nullptr);
                 if (!asset.integral())
                 {
@@ -1688,7 +1688,7 @@ class Vault_test : public beast::unit_test::suite
             auto v = env.le(keylet);
             BEAST_EXPECT(v);
             MPTID const share = (*v)[sfShareMPTID];
-            auto issuance = env.le(keylet::mptIssuance(share));
+            auto issuance = env.le(keylet::mptokenIssuance(share));
             BEAST_EXPECT(issuance);
             Number const outstandingShares = issuance->at(sfOutstandingAmount);
             BEAST_EXPECT(outstandingShares == 100);
@@ -3288,7 +3288,7 @@ class Vault_test : public beast::unit_test::suite
             return {vault->at(sfAccount), vault->at(sfShareMPTID)};
         }();
         BEAST_EXPECT(env.le(keylet::account(vaultAccount)));
-        BEAST_EXPECT(env.le(keylet::mptIssuance(issuanceId)));
+        BEAST_EXPECT(env.le(keylet::mptokenIssuance(issuanceId)));
         PrettyAsset const shares{issuanceId};
 
         {
@@ -3442,7 +3442,7 @@ class Vault_test : public beast::unit_test::suite
                         auto vault = sb.peek(keylet::vault(keylet.key));
                         if (!BEAST_EXPECT(vault))
                             return false;
-                        auto shares = sb.peek(keylet::mptIssuance(vault->at(sfShareMPTID)));
+                        auto shares = sb.peek(keylet::mptokenIssuance(vault->at(sfShareMPTID)));
                         if (!BEAST_EXPECT(shares))
                             return false;
                         if (fn(*vault, *shares))
@@ -4666,7 +4666,7 @@ class Vault_test : public beast::unit_test::suite
             auto const sleVault = env.le(vaultKeylet);
             BEAST_EXPECT(sleVault != nullptr);
 
-            auto const sleIssuance = env.le(keylet::mptIssuance(sleVault->at(sfShareMPTID)));
+            auto const sleIssuance = env.le(keylet::mptokenIssuance(sleVault->at(sfShareMPTID)));
             BEAST_EXPECT(sleIssuance != nullptr);
 
             return sleIssuance->at(sfOutstandingAmount);
diff --git a/src/test/jtx/impl/Env.cpp b/src/test/jtx/impl/Env.cpp
index 1818d0dd03..d6bdfcdc31 100644
--- a/src/test/jtx/impl/Env.cpp
+++ b/src/test/jtx/impl/Env.cpp
@@ -231,7 +231,7 @@ Env::balance(Account const& account, Asset const& asset) const
             if (account.id() == issuer)
             {
                 // Issuer balance
-                auto const sle = le(keylet::mptIssuance(id));
+                auto const sle = le(keylet::mptokenIssuance(id));
                 if (!sle)
                     return {STAmount(mptIssue, 0), account.name()};
 
diff --git a/src/test/jtx/impl/TestHelpers.cpp b/src/test/jtx/impl/TestHelpers.cpp
index 8c42d0019b..b361c27156 100644
--- a/src/test/jtx/impl/TestHelpers.cpp
+++ b/src/test/jtx/impl/TestHelpers.cpp
@@ -407,7 +407,7 @@ expectHolding(Env& env, AccountID const& account, None const& value)
 [[nodiscard]] bool
 expectMPT(Env& env, AccountID const& account, STAmount const& value)
 {
-    auto const mptIssuanceID = keylet::mptIssuance(value.asset().get<MPTIssue>());
+    auto const mptIssuanceID = keylet::mptokenIssuance(value.asset().get<MPTIssue>());
     auto const mptToken = env.le(keylet::mptoken(mptIssuanceID.key, account));
     return mptToken && (*mptToken)[sfMPTAmount] == value.mpt().value();
 }
diff --git a/src/test/jtx/impl/mpt.cpp b/src/test/jtx/impl/mpt.cpp
index e2fd95144c..d9070e6239 100644
--- a/src/test/jtx/impl/mpt.cpp
+++ b/src/test/jtx/impl/mpt.cpp
@@ -185,8 +185,8 @@ MPTTester::create(MPTCreate const& arg)
     if (!isTesSuccess(submit(arg, jv)))
     {
         // Verify issuance doesn't exist
-        env_.require(
-            requireAny([&]() -> bool { return env_.le(keylet::mptIssuance(*id_)) == nullptr; }));
+        env_.require(requireAny(
+            [&]() -> bool { return env_.le(keylet::mptokenIssuance(*id_)) == nullptr; }));
 
         id_.reset();
     }
@@ -495,7 +495,7 @@ MPTTester::forObject(
 {
     if (!id_)
         Throw<std::runtime_error>("MPT has not been created");
-    auto const key = holder_ ? keylet::mptoken(*id_, holder_->id()) : keylet::mptIssuance(*id_);
+    auto const key = holder_ ? keylet::mptoken(*id_, holder_->id()) : keylet::mptokenIssuance(*id_);
     if (auto const sle = env_.le(key))
         return cb(sle);
     return false;
@@ -660,7 +660,7 @@ MPTTester::getBalance(Account const& account) const
         Throw<std::runtime_error>("MPT has not been created");
     if (account == issuer_)
     {
-        if (auto const sle = env_.le(keylet::mptIssuance(*id_)))
+        if (auto const sle = env_.le(keylet::mptokenIssuance(*id_)))
             return sle->getFieldU64(sfOutstandingAmount);
     }
     else
diff --git a/src/xrpld/rpc/detail/AssetCache.cpp b/src/xrpld/rpc/detail/AssetCache.cpp
index 28924ceb5f..9e37114259 100644
--- a/src/xrpld/rpc/detail/AssetCache.cpp
+++ b/src/xrpld/rpc/detail/AssetCache.cpp
@@ -137,7 +137,7 @@ AssetCache::getMPTs(xrpl::AccountID const& account)
             auto const mptID = sle->getFieldH192(sfMPTokenIssuanceID);
             bool const zeroBalance = sle->at(sfMPTAmount) == 0;
             bool const maxedOut = [&] {
-                if (auto const sleIssuance = ledger_->read(keylet::mptIssuance(mptID)))
+                if (auto const sleIssuance = ledger_->read(keylet::mptokenIssuance(mptID)))
                 {
                     return sleIssuance->at(sfOutstandingAmount) == maxMPTAmount(*sleIssuance);
                 }
diff --git a/src/xrpld/rpc/handlers/VaultInfo.cpp b/src/xrpld/rpc/handlers/VaultInfo.cpp
index 711478658a..a6c6b27d32 100644
--- a/src/xrpld/rpc/handlers/VaultInfo.cpp
+++ b/src/xrpld/rpc/handlers/VaultInfo.cpp
@@ -79,7 +79,7 @@ doVaultInfo(RPC::JsonContext& context)
     auto const sleVault = lpLedger->read(keylet::vault(uNodeIndex));
     auto const sleIssuance = sleVault == nullptr  //
         ? nullptr
-        : lpLedger->read(keylet::mptIssuance(sleVault->at(sfShareMPTID)));
+        : lpLedger->read(keylet::mptokenIssuance(sleVault->at(sfShareMPTID)));
     if (!sleVault || !sleIssuance)
     {
         jvResult[jss::error] = "entryNotFound";
diff --git a/src/xrpld/rpc/handlers/ledger/LedgerEntry.cpp b/src/xrpld/rpc/handlers/ledger/LedgerEntry.cpp
index 36dea61553..0efe490b39 100644
--- a/src/xrpld/rpc/handlers/ledger/LedgerEntry.cpp
+++ b/src/xrpld/rpc/handlers/ledger/LedgerEntry.cpp
@@ -555,7 +555,7 @@ parseMPTokenIssuance(
             "malformedMPTokenIssuance", fieldName, "Hash192");
     }
 
-    return keylet::mptIssuance(*mptIssuanceID).key;
+    return keylet::mptokenIssuance(*mptIssuanceID).key;
 }
 
 static Expected<uint256, Json::Value>