const crypto = require('crypto');

const { privateKey, publicKey } = crypto.generateKeyPairSync('ec', {
  namedCurve: 'sect239k1'
});

const sign = crypto.createSign('SHA256');
sign.write('some data to sign');
sign.end();
const signature = sign.sign(privateKey);

const verify = crypto.createVerify('SHA256');
verify.write('some data to sign');
verify.end();



console.log(verify.verify(publicKey, signature));


//console.log(publicKey.export({type:'spki', format: 'pem'}))
//console.log(privateKey.export({type:'sec1', format: 'pem'}))