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/BitGo/BitGoJS/blob/0357eff48fbdf4c5868c9bbf1e31f65861698d3e/package.json#L93