RT HackerOne (@Hacker0x01)Security researchers, @arc wants your help.As part of the Arc Bug Bounty Campaign, the team has open-sourced the Arc testnet and launched a bug bounty challenge on HackerOne.Dig into the code, run a local node, and put the network to the test before mainnet.Your findings help strengthen Arc from day one.Join the program: https://t.co/eJqAxmNnhM ...

Core Insights - Circle reported significant growth in USDC circulation, with $75 billion in circulation at year-end, representing a 72% year-over-year increase, and nearly $12 trillion in on-chain USDC volume, which is a 247% year-over-year growth [2][6] Financial Performance - Q4 total revenue and reserve income reached $770 million, up 77% year-over-year, with adjusted EBITDA of $167 million, reflecting a 412% increase and a 54% adjusted EBITDA margin [5][7] - Distribution and transaction costs increased by 52% year-over-year to $461 million, while the reserve return rate fell to 3.81%, down 68 basis points year-over-year [8][5] Product and Platform Expansion - Circle is expanding its platform with the Arc testnet, which has over 100 participants and is on track for a 2026 mainnet launch, and the Circle Payments Network (CPN) now has 55 enrolled financial institutions with annualized flows of approximately $5.7 billion [4][16] - New products like StableFX, EURC, and USYC are gaining traction, with EURC reaching €310 million in Q4, a 3.8x year-over-year increase [4][16] Strategic Focus and Partnerships - The company emphasizes interoperability, supporting USDC on over 30 blockchain networks, and noted that its Cross-Chain Transfer Protocol (CCTP) volume grew 3.7x year-over-year to over $41 billion [1][6] - Circle has formed multiple enterprise and institutional partnerships, including collaborations with Intuit, Visa, and a formal partnership with Polymarket [10][11] Regulatory Environment - Circle's management expressed cautious optimism regarding the CLARITY Act, which could enhance blockchain adoption, and noted the positive impact of the GENIUS framework on regulatory guidance [11][12]