Blockchain News Diamonds Standard Co. uses precious gems to back payment network 2 years ago Diamond Standard Co. has introduced a blockchain payments system that uses diamonds as backing collateral for transactions. Tags: Blockchain Continue Reading Previous Freedom of speech isn’t a ‘trump card’ for Tornado Cash developersNext Arta TechFin, Chainlink expand partnership to tokenize real-world assets More Stories Blockchain News Mastercard expands support to USDC, PYUSD, RLUSD stablecoin settlement 7 days ago Blockchain News Cardano’s TapTools to wind down after 5 execs exit 1 week ago Blockchain News Bankr temporarily disables transactions after 14 wallets hacked 3 weeks ago