Circle Launches cirBTC Wrapped Bitcoin for Institutions, Debuts on Ethereum and Arc Chain
Circle introduces cirBTC, a institutional-grade wrapped bitcoin backed 1:1 by BTC, launching on Ethereum and its own Arc chain, challenging WBTC and cbBTC.

Circle introduces cirBTC, a institutional-grade wrapped bitcoin backed 1:1 by BTC, launching on Ethereum and its own Arc chain, challenging WBTC and cbBTC.

At Bitcoin 2026, Twenty One Capital CEO Jack Mallers argued Bitcoin's on-chain proof of reserves gives it a structural advantage over gold. The firm holds over 43,500 BTC and launched a live verification system accessible to anyone.

Cardano Foundation's 2025 annual report shows total assets down 45% to $361M, but cash ratio rises to 25.5%. ADA trades at $0.2428, testing key Fibonacci support. Derivatives market neutral. First ever on-chain auditor opinion recorded, boosting institutional appeal.

ADA trades at $0.2428 as Cardano Foundation's 2025 annual report shows total assets fell 45% to $361M, but cash ratio rose to 25.5%. For the first time, an audit opinion was recorded on-chain. Technical levels and derivatives data suggest indecision.

Zypher Network has integrated IQ AI’s AIDEN agent and launched a dedicated wiki page to improve blockchain knowledge access and AI auditability. The move highlights growing demand for verifiable, privacy-preserving AI infrastructure powered by ZK proofs and on-chain commitments.

Tabit Insurance SCC has capitalized a $40 million insurance facility entirely with Bitcoin, becoming the first property and casualty insurer to hold all regulatory reserves in BTC while denominating policies in USD. The company operates as a segregated cell company, allowing BTC holders to earn USD returns through their own cells while maintaining Bitcoin exposure. Reserves are verifiable on-chain via a proof-of-reserves model, providing real-time transparency beyond quarterly disclosures. Headquartered in Barbados, a top captive insurance jurisdiction, Tabit plans to work with insurers, brokers, and digital asset holders seeking alternative capital and risk financing. This initiative marks a significant step in bringing digital assets into the traditional insurance sector.
