diff --git a/go.mod b/go.mod
index 236a5fe..91701d5 100644
--- a/go.mod
+++ b/go.mod
@@ -10,8 +10,8 @@ require (
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/ethereum/go-ethereum v1.12.0 // indirect
+	github.com/ethereum/go-ethereum v1.13.5 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/crypto v0.11.0 // indirect
+	golang.org/x/crypto v0.15.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 66ce93b..5c19d67 100644
--- a/go.sum
+++ b/go.sum
@@ -203,8 +203,9 @@ github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7
 github.com/etcd-io/bbolt v1.3.3/go.mod h1:ZF2nL25h33cCyBtcyWeZ2/I3HQOfTP+0PIEvHjkjCrw=
 github.com/ethereum/c-kzg-4844 v0.2.0/go.mod h1:WI2Nd82DMZAAZI1wV2neKGost9EKjvbpQR9OqE5Qqa8=
 github.com/ethereum/go-ethereum v1.10.26/go.mod h1:EYFyF19u3ezGLD4RqOkLq+ZCXzYbLoNDdZlMt7kyKFg=
-github.com/ethereum/go-ethereum v1.12.0 h1:bdnhLPtqETd4m3mS8BGMNvBTf36bO5bx/hxE2zljOa0=
 github.com/ethereum/go-ethereum v1.12.0/go.mod h1:/oo2X/dZLJjf2mJ6YT9wcWxa4nNJDBKDBU6sFIpx1Gs=
+github.com/ethereum/go-ethereum v1.13.5 h1:U6TCRciCqZRe4FPXmy1sMGxTfuk8P7u2UoinF3VbaFk=
+github.com/ethereum/go-ethereum v1.13.5/go.mod h1:yMTu38GSuyxaYzQMViqNmQ1s3cE84abZexQmTgenWk0=
 github.com/fasthttp-contrib/websocket v0.0.0-20160511215533-1f3b11f56072/go.mod h1:duJ4Jxv5lDcvg4QuQr0oowTf7dz4/CR8NtyCooz9HL8=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
@@ -860,8 +861,9 @@ golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa/go.mod h1:IxCIyHEi3zRg3s0
 golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.0.0-20220926161630-eccd6366d1be/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.1.0/go.mod h1:RecgLatLF4+eUMCP1PoPZQb+cVrJcOPbHkTkbkB9sbw=
-golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
 golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
+golang.org/x/crypto v0.15.0 h1:frVn1TEaCEaZcn3Tmd7Y2b5KKPaZ+I32Q2OA3kYp5TA=
+golang.org/x/crypto v0.15.0/go.mod h1:4ChreQoLWfG3xLDer1WdlH5NdlQ3+mwnQq1YTKY+72g=
 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
diff --git a/uma/currency.go b/uma/currency.go
index 0334db1..559980f 100644
--- a/uma/currency.go
+++ b/uma/currency.go
@@ -1,10 +1,30 @@
 package uma
 
 type Currency struct {
-	Code                string `json:"code"`
-	Name                string `json:"name"`
-	Symbol              string `json:"symbol"`
-	MillisatoshiPerUnit int64  `json:"multiplier"`
-	MinSendable         int64  `json:"minSendable"`
-	MaxSendable         int64  `json:"maxSendable"`
+	// Code is the ISO 4217 currency code (eg. USD).
+	Code string `json:"code"`
+
+	// Name is the full display name of the currency (eg. US Dollars).
+	Name string `json:"name"`
+
+	// Symbol is the symbol of the currency (eg. $ for USD).
+	Symbol string `json:"symbol"`
+
+	// MillisatoshiPerUnit is the estimated millisats per smallest "unit" of this currency (eg. 1 cent in USD).
+	MillisatoshiPerUnit int64 `json:"multiplier"`
+
+	// MinSendable is the minimum amount of the currency that can be sent in a single transaction. This is in the
+	// smallest unit of the currency (eg. cents for USD).
+	MinSendable int64 `json:"minSendable"`
+
+	// MaxSendable is the maximum amount of the currency that can be sent in a single transaction. This is in the
+	// smallest unit of the currency (eg. cents for USD).
+	MaxSendable int64 `json:"maxSendable"`
+
+	// DisplayDecimals is the number of digits after the decimal point for display on the sender side. For example,
+	// in USD, by convention, there are 2 digits for cents - $5.95. in this case, `displayDecimals`
+	// would be 2. Note that the multiplier is still always in the smallest unit (cents). This field
+	// is only for display purposes. The sender should assume zero if this field is omitted, unless
+	// they know the proper display format of the target currency.
+	DisplayDecimals *int `json:"displayDecimals,omitempty"`
 }
diff --git a/uma/test/uma_test.go b/uma/test/uma_test.go
index 70bcfba..f39752a 100644
--- a/uma/test/uma_test.go
+++ b/uma/test/uma_test.go
@@ -117,6 +117,7 @@ func TestSignAndVerifyLnurlpResponse(t *testing.T) {
 	request := createLnurlpRequest(t, senderSigningPrivateKey.Serialize())
 	metadata, err := createMetadataForBob()
 	require.NoError(t, err)
+	dollarDisplayDecimals := 2
 	response, err := uma.GetLnurlpResponse(
 		request,
 		receiverSigningPrivateKey.Serialize(),
@@ -138,6 +139,7 @@ func TestSignAndVerifyLnurlpResponse(t *testing.T) {
 				MillisatoshiPerUnit: 34_150,
 				MinSendable:         1,
 				MaxSendable:         10_000_000,
+				DisplayDecimals:     &dollarDisplayDecimals,
 			},
 		},
 		uma.KycStatusVerified,