Bitcoin News
By Sakamoto Nashi
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What Bark Changes for Bitcoin Payments. Bark is Second's in-house implementation of the Ark protocol.
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The Bark SDK and Apps Available at Launch. Second delivers an entire ecosystem, not just a bare protocol.
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$5.1 Million Raised, Eleven People, Former Blockstream Engineers. Second has raised $5.1 million from a private investor.
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Second, a Bitcoin development lab, has just launched Bark on the mainnet. This is not a beta or a testnet—it's the real network.
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Bark is Second's in-house implementation of the Ark protocol. Ark is a layer 2 solution that allows a large number of users to share on-chain UTXOs through pre-signed off-chain…
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Second's Ark server is now open to the public for payments.
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Second delivers an entire ecosystem, not just a bare protocol. The Bark SDK is written in Rust, with bindings for Kotlin, Swift, React Native, Flutter, Go, Python, and WebAssembly.
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Four applications are already mainnet-compatible at launch. Noah, a complete Ark mobile wallet, combines a React Native frontend with a Rust backend.
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For merchants, Second has also released a BTCPay Server plugin. This allows for self-custody Lightning payments without opening a channel or touching liquidity.
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The breadth of the SDK—seven languages, a server daemon, four apps at launch—clearly bets on developer adoption. Second isn't banking on a single flagship wallet.
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Read also: A Chinese court sentences a Bitcoin thief to nearly 11 years in prison
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Second has raised $5.1 million from a private investor. The team consists of eleven people, including several former Blockstream engineers.
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More context: Chinese Court Sends Bitcoin Thief to Prison for Nearly 11 Years After Seed Phrase Heist
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The competitive landscape is crowded. Ark Labs is pushing Arkade, its own version of the protocol. Solutions based on statechains also exist.
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What sets Bark apart from other attempts is perhaps precisely the SDK-first approach. Many layer 2 protocols have launched a single wallet and hoped that would suffice.
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