diff --git a/src/binary_formats.ml b/src/binary_formats.ml
index 5de8bb9f..a71bd535 100644
--- a/src/binary_formats.ml
+++ b/src/binary_formats.ml
@@ -1,6 +1,9 @@
 (* https://docs.taler.net/core/api-common.html#binary-formats
 
    - numeric values are in network byte order (big endian) *)
+(* TODO: ?
+   some struct have a 'P' suffix, but are not defined in doc
+   we assume they are = to the un-suffixed ones *)
 
 open Include
 
@@ -138,7 +141,21 @@ module NormalizedPaytoHash = MK_32 ()
 module AgeCommitmentHash = MK_64 ()
 
 (* TODO Taler doc: missing *)
-module RefreshCommitmentP = MK_64 ()
+module PublicRefreshCoinNonceP = MK_64 ()
+
+(* TODO Taler doc: missing *)
+module PursePublicKey = MK_32 ()
+
+(* TODO Taler doc: missing *)
+module AuditorPublicKeyP = MK_32 ()
+
+(* TODO
+   // Secret for blinding/unblinding.
+   // An RSA blinding secret, which is basically
+   // a 256-bit nonce, converted to Crockford `Base32`.
+   type DenominationBlindingKeyP = string;
+*)
+module DenominationBlindingKeyP = MK_64 ()
 
 (* Hash over:
      a) the hash of the denomination's public key,
@@ -156,8 +173,8 @@ module MerchantPublicKeyP = MK_32 ()
 module MerchantPrivateKeyP = MK_32 ()
 (*module MerchantSignatureP = MK_64 () *)
 
-module TransfertPublicKeyP = MK_32 ()
-module TransfertPrivateKeyP = MK_32 ()
+module TransferPublicKeyP = MK_32 ()
+module TransferPrivateKeyP = MK_32 ()
 
 (*
 enum TALER_AmlDecisionState {
@@ -173,7 +190,7 @@ module ExchangeSignatureP = MK_64 ()
 module MasterPublicKeyP = MK_32 ()
 module MasterPrivateKeyP = MK_32 ()
 module MasterSignatureP = MK_64 ()
-module WireTransfertIdentifierRawP = MK_BASIC_32 ()
+module WireTransferIdentifierRawP = MK_BASIC_32 ()
 
 module UUID = struct
   (* uint32t value[4]; *)
@@ -225,7 +242,7 @@ struct TALER_EncryptedLinkSecretP {
   uint8t enc[sizeof (struct TALER_LinkSecretP)];
 };
 *)
-module TransfertSecretP = MK_64 ()
+module TransferSecretP = MK_64 ()
 module LinkSecretP = MK_64 ()
 module EncryptedLinkSecretP = MK_64 ()
 
@@ -526,6 +543,8 @@ module DepositConfirmationPS = struct
   }
 end
 
+module RefreshCommitmentP = MK_64 ()
+
 module RefreshMeltCoinAffirmationPS = struct
   (* purpose.purpose = TALER_SIGNATURE_WALLET_COIN_MELT *)
   (* Hash over:
@@ -630,7 +649,7 @@ module MasterDrainProfitPS = struct
     date: Time.AbsoluteNBO.t;
     amount: AmountNBO.t;
     h_section: HashCode.t;
-    h_payto: FullPaytoHashP.t;
+    h_payto: FullPaytoHash.t;
   }
 end
 
@@ -846,16 +865,12 @@ module ReserveCloseRequestSignaturePS = struct
   type t = unit
 end
 
-module RefreshCommitmentP = struct
-  type t = { session_hash: HashCode.t }
-end
-
 module PurseRequestSignaturePS = struct
   (* purpose.purpose = TALER_SIGNATURE_WALLET_PURSE_CREATE *)
   type t = {
     purse_expiration: Time.AbsoluteNBO.t;
     merge_value_after_fees: AmountNBO.t;
-    h_contract_terms: PrivateContractHashP.t;
+    h_contract_terms: PrivateContractHash.t;
     min_age: int;
   }
 end
@@ -866,7 +881,7 @@ module PurseDepositSignaturePS = struct
     coin_contribution: AmountNBO.t;
     h_denom_pub: DenominationHash.t;
     h_age_commitment: AgeCommitmentHash.t;
-    purse_pub: PursePublicKeyP.t;
+    purse_pub: PursePublicKey.t;
     h_exchange_base_url: HashCode.t;
   }
 end
@@ -884,9 +899,9 @@ module PurseDepositConfirmedSignaturePS = struct
   type t = {
     total_purse_amount: AmountNBO.t;
     total_deposit_fees: AmountNBO.t;
-    purse_pub: PursePublicKeyP.t;
+    purse_pub: PursePublicKey.t;
     purse_expiration: Time.AbsoluteNBO.t;
-    h_contract_terms: PrivateContractHashP.t;
+    h_contract_terms: PrivateContractHash.t;
   }
 end
 
@@ -894,7 +909,7 @@ module PurseMergeSignaturePS = struct
   (* purpose.purpose = TALER_SIGNATURE_WALLET_PURSE_MERGE *)
   type t = {
     merge_timestamp: Time.AbsoluteNBO.t;
-    h_wire: NormalizedPaytoHashP.t;
+    h_wire: NormalizedPaytoHash.t;
   }
 end
 
@@ -902,11 +917,11 @@ module AccountMergeSignaturePS = struct
   (* purpose.purpose = TALER_SIGNATURE_WALLET_ACCOUNT_MERGE *)
   type t = {
     reserve_pub: ReservePublicKeyP.t;
-    purse_pub: PursePublicKeyP.t;
+    purse_pub: PursePublicKey.t;
     merge_amount_after_fees: AmountNBO.t;
     merge_timestamp: Time.AbsoluteNBO.t;
     purse_expiration: Time.AbsoluteNBO.t;
-    h_contract_terms: PrivateContractHashP.t;
+    h_contract_terms: PrivateContractHash.t;
     min_age: int;
   }
 end
@@ -920,11 +935,11 @@ module PurseMergeSuccessSignaturePS = struct
   (* purpose.purpose = TALER_SIGNATURE_PURSE_MERGE_SUCCESS *)
   type t = {
     reserve_pub: ReservePublicKeyP.t;
-    purse_pub: PursePublicKeyP.t;
+    purse_pub: PursePublicKey.t;
     merge_amount_after_fees: AmountNBO.t;
     contract_time: Time.AbsoluteNBO.t;
-    h_contract_terms: PrivateContractHashP.t;
-    h_wire: NormalizedPaytoHashP.t;
+    h_contract_terms: PrivateContractHash.t;
+    h_wire: NormalizedPaytoHash.t;
     min_age: int;
   }
 end
@@ -1057,7 +1072,7 @@ module AmlDecisionPS = struct
     h_justification: HashCode.t;
     decision_time: Time.TimestampNBO.t;
     new_threshold: AmountNBO.t;
-    h_payto: NormalizedPaytoHashP.t;
+    h_payto: NormalizedPaytoHash.t;
     h_kyc_requirements: HashCode.t;
     new_state: int;
   }
@@ -1089,7 +1104,7 @@ module ReserveClosePS = struct
   (* purpose.purpose = TALER_SIGNATURE_WALLET_RESERVE_CLOSE *)
   type t = {
     request_timestamp: Time.TimestampNBO.t;
-    target_account_h_payto: FullPaytoHashP.t;
+    target_account_h_payto: FullPaytoHash.t;
   }
 end
 
diff --git a/src/types.ml b/src/types.ml
index d1f43f96..415b6dcb 100644
--- a/src/types.ml
+++ b/src/types.ml
@@ -116,6 +116,8 @@ module Eddsa = struct
   (* EdDSA and ECDHE public keys always point on Curve25519
      and represented  using the standard 256 bits Ed25519 compact format,
      converted to Crockford Base32. *)
+  (* EdDSA signatures are transmitted as 64-bytes `base32`
+     binary-encoded objects with just the R and S values (base32_ binary-only). *)
   type pub = Mirage_crypto_ec.Ed25519.pub
 
   let pub_of_string s =