diff --git a/go.mod b/go.mod
index 0cc9c7f..5202a7f 100644
--- a/go.mod
+++ b/go.mod
@@ -15,7 +15,7 @@ require (
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0
 	github.com/dgraph-io/badger/v4 v4.5.0
 	github.com/dgraph-io/ristretto v1.0.0
-	github.com/elnosh/gonuts v0.3.1-0.20250123162555-7c0381a585e3
+	github.com/elnosh/gonuts v0.4.2
 	github.com/fasthttp/websocket v1.5.12
 	github.com/gomarkdown/markdown v0.0.0-20241205020045-f7e15b2f3e62
 	github.com/json-iterator/go v1.1.12
diff --git a/go.sum b/go.sum
index ee7fccf..1a1fdb9 100644
--- a/go.sum
+++ b/go.sum
@@ -128,8 +128,8 @@ github.com/dgryski/go-metro v0.0.0-20211217172704-adc40b04c140/go.mod h1:c9O8+fp
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/dvyukov/go-fuzz v0.0.0-20200318091601-be3528f3a813/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
-github.com/elnosh/gonuts v0.3.1-0.20250123162555-7c0381a585e3 h1:k7evIqJ2BtFn191DgY/b03N2bMYA/iQwzr4f/uHYn20=
-github.com/elnosh/gonuts v0.3.1-0.20250123162555-7c0381a585e3/go.mod h1:vgZomh4YQk7R3w4ltZc0sHwCmndfHkuX6V4sga/8oNs=
+github.com/elnosh/gonuts v0.4.2 h1:/WubPAWGxTE+okJ0WPvmtEzTzpi04RGxiTHAF1FYU+M=
+github.com/elnosh/gonuts v0.4.2/go.mod h1:vgZomh4YQk7R3w4ltZc0sHwCmndfHkuX6V4sga/8oNs=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
diff --git a/nip60/swap.go b/nip60/swap.go
index 3831e1e..1d67ae2 100644
--- a/nip60/swap.go
+++ b/nip60/swap.go
@@ -11,6 +11,7 @@ import (
 	"github.com/elnosh/gonuts/cashu/nuts/nut02"
 	"github.com/elnosh/gonuts/cashu/nuts/nut03"
 	"github.com/elnosh/gonuts/cashu/nuts/nut10"
+	"github.com/elnosh/gonuts/cashu/nuts/nut13"
 )
 
 type swapSettings struct {
@@ -25,10 +26,33 @@ func (w *Wallet) swapProofs(
 	targetAmount uint64,
 	ss swapSettings,
 ) (principal cashu.Proofs, change cashu.Proofs, err error) {
+	keysetIdList := []string{}
+	for i := range w.Mints {
+		if w.Mints[i] != mint {
+			keysets, err := client.GetAllKeysets(ctx, w.Mints[i])
+			if err != nil {
+				return nil, nil, fmt.Errorf("could not get keysets for all previous keysets %s: %w", w.Mints[i], err)
+			}
+
+			for j := range keysets {
+				keysetIdList = append(keysetIdList, keysets[j].Id)
+			}
+		}
+	}
+
 	keysets, err := client.GetAllKeysets(ctx, mint)
 	if err != nil {
 		return nil, nil, fmt.Errorf("failed to get all keysets for %s: %w", mint, err)
 	}
+
+	for j := range keysets {
+		err := nut13.CheckCollidingKeysets(keysetIdList, []string{keysets[j].Id})
+		if err != nil {
+			return nil, nil, fmt.Errorf("encountered keyset collition for mint %s: %w", mint, err)
+		}
+		keysetIdList = append(keysetIdList, keysets[j].Id)
+	}
+
 	activeKeyset, err := client.GetActiveKeyset(ctx, mint)
 	if err != nil {
 		return nil, nil, fmt.Errorf("failed to get active keyset for %s: %w", mint, err)
diff --git a/nip60/wallet.go b/nip60/wallet.go
index af2f501..d70ed77 100644
--- a/nip60/wallet.go
+++ b/nip60/wallet.go
@@ -12,6 +12,8 @@ import (
 	"fiatjaf.com/nostr"
 	"github.com/btcsuite/btcd/btcec/v2"
 	"github.com/decred/dcrd/dcrec/secp256k1/v4"
+	"github.com/elnosh/gonuts/cashu/nuts/nut13"
+	"fiatjaf.com/nostr/nip60/client"
 )
 
 // WalletOptions contains options for loading a wallet
@@ -257,6 +259,18 @@ func (w *Wallet) AddMint(ctx context.Context, urls ...string) error {
 		return fmt.Errorf("can't do write operations: missing PublishUpdate function")
 	}
 
+	keysetIdList := []string{}
+	for i := range w.Mints {
+		keysets, err := client.GetAllKeysets(ctx, w.Mints[i])
+		if err != nil {
+			return err
+		}
+
+		for j := range keysets {
+			keysetIdList = append(keysetIdList, keysets[j].Id)
+		}
+	}
+
 	for _, url := range urls {
 		url, err := nostr.NormalizeHTTPURL(url)
 		if err != nil {
@@ -264,6 +278,18 @@ func (w *Wallet) AddMint(ctx context.Context, urls ...string) error {
 		}
 
 		if !slices.Contains(w.Mints, url) {
+			keysets, err := client.GetAllKeysets(ctx, url)
+			if err != nil {
+				return err
+			}
+
+			for j := range keysets {
+				err = nut13.CheckCollidingKeysets(keysetIdList, []string{keysets[j].Id})
+				if err != nil {
+					return err
+				}
+				keysetIdList = append(keysetIdList, keysets[j].Id)
+			}
 			w.Mints = append(w.Mints, url)
 		}
 	}