Coinbase CEO Brian Armstrong announced that the company is responsible for custodial services for over 80% of Bitcoin and Ethereum ETF assets in the United States. In 2025, Coinbase recorded a peak net inflow of $31 billion into ETF funds. Armstrong highlighted Coinbase's role as a custodial partner for several major financial institutions and government ETF products. The company continues to conduct penetration testing with top cryptography experts, holds multiple technology patents, and places a strong emphasis on ongoing security reviews.