---
id: 5676
title: "Solana multisig security"
source_domain: osec.io
source_url: "https://osec.io/blog/multisig-security/"
published_at: "2025-02-22T00:00:00Z"
tags: ["multisig", "solana", "wallet-security", "transaction-signing", "durable-nonce", "key-compromise"]
phying_url: "https://phying.com/item/5676"
lang: en
---

# Solana multisig security

## Summary

OtterSec examines Solana's signing model — recent blockhash vs durable nonces — and presents a safe-signing procedure for teams whose multisig signers may be compromised.

## Intelligence Metadata

- **Sources:** osec.io
- **Published:** 2025-02-22T00:00:00Z
- **Original:** https://osec.io/blog/multisig-security/
- **Phying News:** https://phying.com/item/5676