Protocol Upgrades Force Custodians to Rebuild Signing
Base layers will keep retiring or redesigning transaction features that institutional custody relies on, such as offline-signing primitives and account and signature schemes. Each protocol upgrade then becomes an operational migration for custodians, and that cost increasingly sets the pace for activating changes.
forming · confidence 30 · Emerging (watchlist) · tracking since October 13, 2026 · updated October 13, 2026
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- Oct 13Strengthened
Solana plans to remove durable nonces and move offline signing into on-chain programs. Anza's Programmatic Signer and Blueshift's Vector are the leading replacements, with mainnet activation expected about six months after one is ready, so custodians will have to rebuild their cold-signing processes.
Source trail
Supporting · October 13, 2026
Solana Plans to Remove Durable Nonces and Move Offline Signing Into Onchain Programs
Solana plans to remove durable nonces and move offline signing into on-chain programs. Anza's Programmatic Signer and Blueshift's Vector are the leading replacements, with mainnet activation expected about six months after one is ready, so custodians will have to rebuild their cold-signing processes.
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