Solana Foundation releases Keychain v2 with four languages and 14 signing backends

Oct 1, 2026 21:28 (23d ago)

Verifying

Solana Foundation released Solana Keychain v2.0.0 for server-side Solana transaction signing.
1 October 2026 added stable Python and Go builds, Fordefi as the 14th backend, and a Ledger signer.
OtterSec found 27 issues across four implementations, with all findings marked resolved.

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