The startup provides cryptocurrency payment services that enable users to conduct on-chain transactions while maintaining full control of their funds, even during offline periods. This approach reduces transaction costs and enhances the speed of digital payments, facilitating seamless and scalable financial interactions.
Funding
$2.5M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.


Founders
Product
Problem
High on-chain transaction fees and scalability limitations hinder the widespread adoption of Bitcoin for everyday payments and decentralized applications. Existing solutions often rely on bridges or trusted third parties, introducing counterparty risk and compromising user control over funds. Programming on Bitcoin is limited by blockspace, making it difficult to implement complex smart contracts at scale.
Solution
Ark Labs provides a Bitcoin layer-2 scaling protocol that enables efficient and scalable on-chain transactions while maintaining Bitcoin-level security and user custody. Ark utilizes off-chain transaction pooling and periodic on-chain settlement, reducing fees and increasing transaction throughput. Users retain unilateral control over their funds, even if the Ark server goes offline, as funds can be redeemed on-chain at any time. The protocol supports UTXO-native smart contracts, unlocking new possibilities for Bitcoin-based applications.
Target Audience
The primary target audience includes Bitcoin developers, application builders, and users seeking scalable and cost-effective on-chain payment solutions.
Features
- Off-chain transaction pooling with periodic on-chain settlement for scalability
- UTXO-native smart contract support
- Compatibility with existing Bitcoin protocols and services
- Atomic swaps secured by on-chain transactions, eliminating counterparty risk
- Modular server architecture adaptable to various use cases and protocols
- Virtual UTXOs for simplified Bitcoin development
- Privacy-enhancing off-chain transactions