See https://github.com/indutny/elliptic/issues/343 for more information. I wrote a short-term fix here: https://github.com/soatok/elliptic-to-noble However, you may wish to consider migrating to https://github.com/paulmillr/noble-curves in the long-term. https://github.com/torusresearch/eccrypto/blob/e7c0305e8368589b0f3d64e0c2dffe282a0ab79f/package.json#L65