ARK and 21Shares have announced a major update to their Bitcoin ETF, integrating Chainlink’s Proof of Reserve (PoR) technology. This transformation aims to enhance the security and transparency of the ETF. Investors can now have more confidence in the fund’s holdings, as the PoR technology provides a reliable way to verify the assets backing the ETF. This update is a significant step forward in the world of cryptocurrency investments, as it brings a new level of trust and accountability to the market.