@solana/web3.js has 2 ways to convert a public key to string. what's the difference between PublicKey.toString() and PublicKey.toBase58()

1 Answer 1


They are absolutely identical. In the source code, the toString() method simply returns a call to toBase58(), as seen here:

 * Return the base-58 representation of the public key
toString(): string {
  return this.toBase58();

Here is the source for that on GitHub on line 134 in the referenced commit.

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