Show HN: Building Production MPC Wallets: Architecture and Solana Implementation
The article discusses the architecture and implementation of Multi-Party Computation (MPC) wallets, emphasizing their security features. It highlights vulnerabilities in widely-used MPC protocols and the importance of proper implementation to ensure safety. The author provides a guide for building a secure 2-of-3 threshold signature wallet for Solana, addressing common pitfalls in current tutorials.
- ▪The Fireblocks cryptography research team disclosed vulnerabilities in over fifteen MPC implementations, exposing them to potential attacks.
- ▪Many existing tutorials on building MPC wallets may still be teaching flawed protocols that lack essential security measures.
- ▪The article serves as a comprehensive guide for creating a secure MPC wallet, detailing the necessary cryptographic protocols and architectural choices.
Opening excerpt (first ~120 words) tap to expand
BYOW(Build Your Own Wallet) : A Field Guide to Building MPC Wallets in 2026 - Part 1A practitioner's guide to building MPC wallets that actually work in 2026. Covers DKG, threshold signing with FROST, what BitForge taught the industry, and a working 2-of-3 reference implementation.NethsaraMay 25, 2026ShareFor the lazy guys, here’s the implementation on GitHub. Don’t forget to star the repo ⭐On August 9, 2023, the Fireblocks cryptography research team published one of the most consequential disclosures in wallet security history.Thanks for reading! Subscribe for free to receive new posts and support my work.SubscribeThey called it BitForge.The disclosure named names Coinbase Wallet-as-a-Service, Binance, Zengo.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Hacker News (Newest).