generate-a-new-key-pair.md

Generate a new key pair

ED25519

Create a new Ed25519 key pair used to sign transactions and queries on the Hedera network. The private key is kept confidential and is used to sign transactions that modify the state of an account, topic, token, smart contract, or file entity on the network. The public key can be shared with other users on the network.

{% tabs %} {% tab title="V1" %}

Method	Type	Description
Ed25519PrivateKey.generate()	Ed25519PrivateKey	Generates a Ed25519 private key
Ed25519PrivateKey.generate().publicKey	Ed25519PublicKey	Gets the corresponding public key to the generated private key

{% code title="Java" %}

Ed25519PrivateKey newKey = Ed25519PrivateKey.generate();
Ed25519PublicKey newPublicKey = newKey.publicKey;

System.out.println("private key = " + newKey);
System.out.println("public key = " + newPublicKey);

//v1.3.2

{% endcode %}

{% code title="JavaScript " %}

const privateKey = PrivateKey.generate();
const publicKey = privateKey.publicKey;

console.log("private = " + privateKey);
console.log("public = " + publicKey);

//v1.4.4

{% endcode %} {% endtab %} {% endtabs %}

ECDSA (secp256k1_)

Create a new ECDSA (secp256k1) key pair used to sign transactions and queries on a Hedera network. The private key is kept confidential and is used to sign transactions that modify the state of an account, topic, token, smart contract, or file entity on the network. The public key can be shared with other users on the network.

{% tabs %} {% tab title="V1" %} Not supported {% endtab %} {% endtabs %}