Ark is a proposed off-chain transaction batching mechanism aimed at improving user experience in receiving and managing funds. Initially complex and privacy-focused, Ark has evolved into a more user-friendly implementation with two developing versions. Unlike the Lightning Network, Ark allows users to receive funds immediately without pre-allocated liquidity and provides a framework for unilaterally exiting the system while retaining full control of their assets. Central to Ark are Virtual UTXOs, which facilitate off-chain transactions and ensure security through pre-signed transaction trees managed by a coordinating server.
The Ark protocol enables users to easily onboard with immediate fund reception, eliminating the need for pre-allocated liquidity, distinguishing it from Lightning Network.
Ark's structure relies on Virtual UTXOs, allowing for off-chain transaction batching while maintaining the security and control of users over their funds.
The system, despite requiring a central server, offers users the ability to unilaterally exit the protocol and retain full control of their on-chain assets.
Ark's original proposal emphasized privacy and complexity, evolving into a more simplified implementation focused on usability and immediate fund accessibility.
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