Cryptography Startups funded by Y Combinator (YC) 2026

May 2026

Browse 2 of the top Cryptography startups funded by Y Combinator.

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  • Argument Computer Corporation
    Argument Computer Corporation
    Y Combinator LogoW2022
    Active • 8 employees • Boston, MA, USA
    Argument combines zero-knowledge cryptography, formal verification and distributed consensus technologies to build systems for unbreakable, scalable, private, decentralized software.
    crypto-web3
    security
    cryptography
  • NuCypher (aka Threshold Network)
    Y Combinator LogoS2016
    Active • 10 employees • Austin, TX, USA
    NuCypher is one of two founding teams of the Threshold Network, which hosts tBTC, TACo, Random Beacon & tUSD. Since 2017, NuCypher has pioneered cryptographic primitives for end-to-end encrypted data sharing, including Proxy Re-Encryption and Threshold Access Control (TACo), novel cryptoeconomic mechanisms (e.g. Stable Yield). and original network/governance architectures (including a historic on-chain merger). TACo, our flagship product, is running on over 120 nodes with ~$80m of associated economic security, has paying adopting developers and major infrastructure partners (Ceramic, Irys, Textile, Unlock), and has been decentralized from genesis (mainnet launch in Jan 2024).
    cryptography
    privacy