In a letter to both the Senate Banking Committee and the House Financial Services Committee, head of blockchain development at Facebook David Marcus assured legislators that no private data will be collected in Libra transactions. Marcus said Libra's underlying technology remains pseudonymous like Ethereum ($ETH) or Bitcoin ($BTC). As Marcus writes:
The Libra Association will work with policymakers and regulators to make sure this new ecosystem is a value-add to economies, that consumers are protected, and that the role of government oversight and central banks is appropriate. The Association is fully committed to advancing the global dialogue on how blockchain and crypto assets should be regulated.