diff --git a/crypto/util.go b/crypto/util.go
new file mode 100644
index 0000000..e6f87a3
--- /dev/null
+++ b/crypto/util.go
@@ -0,0 +1,9 @@
+package neofscrypto
+
+import "encoding/hex"
+
+// StringifyKeyBinary returns string with HEX representation of source.
+// Format can be changed and it's unsafe to rely on it beyond human-readable output.
+func StringifyKeyBinary(src []byte) string {
+	return hex.EncodeToString(src)
+}
diff --git a/netmap/node_info.go b/netmap/node_info.go
index 58af58e..91a3c32 100644
--- a/netmap/node_info.go
+++ b/netmap/node_info.go
@@ -10,6 +10,7 @@ import (
 	"github.com/nspcc-dev/hrw"
 	"github.com/nspcc-dev/neofs-api-go/v2/netmap"
 	"github.com/nspcc-dev/neofs-api-go/v2/refs"
+	neofscrypto "github.com/nspcc-dev/neofs-sdk-go/crypto"
 	subnetid "github.com/nspcc-dev/neofs-sdk-go/subnet/id"
 )
 
@@ -178,6 +179,11 @@ func (x NodeInfo) PublicKey() []byte {
 	return x.m.GetPublicKey()
 }
 
+// StringifyPublicKey returns HEX representation of PublicKey.
+func StringifyPublicKey(node NodeInfo) string {
+	return neofscrypto.StringifyKeyBinary(node.PublicKey())
+}
+
 // SetNetworkEndpoints sets list to the announced node's network endpoints.
 // Node MUSt have at least one announced endpoint. List MUST be unique.
 // Endpoints are used for communication with the storage node within NeoFS