Spiral is a Block, Inc.-backed Bitcoin open-source development and grants initiative that builds and funds free, open-source projects aimed at making bitcoin the planet's preferred currency. Spiral's Twitter Score is 264 out of 1000 (an Excellent rating) as of October 2026, ranking #1,385 (top 0.5%) among 493,668 tracked accounts.
Spiral was formerly known as Square Crypto, a separate company initiative dedicated to advancing Bitcoin, before Block, Inc. renamed it to Spiral in December 2021. Spiral operates an open-source bitcoin grant program supporting developers and designers in over a dozen countries, funding work across protocol development, tooling, design, and education.
Spiral has backed a broad range of Bitcoin projects through its grant program, including Bitcoin Core, Bitcoin Dev Kit, Lightning Dev Kit, Bitcoin Design, BTCPay Server, Validating Lightning Signer, The Eye of Satoshi, CoinSwap, Summer of Bitcoin, Wallet Scrutiny, ZeroSync, and BTC Map. BTCPay Server was Spiral's first grant recipient, later receiving two additional grants, and ZeroSync was its first grantee focused on bitcoin zero-knowledge proofs. Spiral also funds Summer of Bitcoin, a global internship program introducing university students to bitcoin and open-source development.
Spiral has been active on the platform since 2019, with 2,416 posts published to date. Spiral has been mentioned by 147 accounts a total of 276 times.
Who follows Spiral on X?
The accounts that follow Spiral include 1,180 founders, 274 angel investors, 430 influencers and 25 VCs, among them jesse.base.eth, Ansem, Erik Voorhees, Laura Shin, Kyle Samani and Fred Ehrsam.