Bitfinex Blog/
Building Financial Infrastructure on Bitcoin with Ark
Two implementations of the Ark proposal, Arkade and Bark, are now live on the Bitcoin mainnet, enabling self-custodial payments via Virtual Transaction Outputs (VTXOs). While Bark focuses on payments and Lightning interoperability, Arkade is expanding into a general execution environment supporting assets, stablecoins, and financial applications like Lendaswap and Hodl Hodl.
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Why It Matters
It demonstrates the ability to build complex financial infrastructure and fast off-chain payments on Bitcoin without requiring changes to the base layer's consensus rules.