The latest version of bitcoin-ts [https://github.com/bitauth/bitcoin-ts] now
includes support for signing and verifying Schnorr signatures over the secp256k1
curve. Schnorr functionality has been added to the library’s Secp256k1
[https://bitauth.github.io/bitcoin-ts/interfaces/secp256k1.html] WebAssembly
interface [https://bitauth.github.io/bitcoin-ts/interfaces/secp256k1.