Second is a Bitcoin payments infrastructure company that provides self-custodial developer tools for integrating Ark, Lightning, and on-chain Bitcoin payments into applications. Second's Twitter Score is 24 out of 1000 as of October 2026, ranking #40,968 (top 10%) among 493,668 tracked accounts.
Second was founded by Steven Roose, who serves as CEO and co-founder, and the company was formed to scale Bitcoin through Ark and other second-layer technologies. Its core offering is a single integration point that covers fast, low-cost, self-custodial payments across Ark, Lightning, and Bitcoin on-chain. Second lists zero-percent fees for sending and receiving Ark payments, positioning it as a cost-efficient option for developers building Bitcoin payment flows.
Second's Ark client wallet and server implementations are released as open source, and Bark is its implementation of the Ark protocol, with bindings available for multiple platforms. Through a Bark SDK integration, users of Alby Hub can make self-custodial Lightning payments directly from an Ark balance, demonstrating a practical cross-product use case for the technology.
Second has published 1,799 posts on the platform and has been mentioned by 51 accounts, with 114 total mentions.
Who follows Second on X?
The accounts that follow Second include 137 founders, 8 angel investors and 62 influencers. Among them are Eric Wall, Tuur Demeester, The Bitcoin Historian, Dylan LeClair, Samson Mow and Christine D. Kim.