XRP Ledger’s Payment Engine Had a Counterfeiting Bug Hiding Since 2015

60-second summary
XRP Ledger’s payment engine harbors an integer‑overflow bug that has lain dormant since 2015, potentially allowing an attacker to mint unlimited, spendable XRP beyond the 100 billion token supply. Security researchers disclosed the flaw this week, prompting Ripple to issue an emergency patch. The revelation fuels short‑term XRP price volatility and intensifies regulatory scrutiny of ledger‑level vulnerabilities.
An integer overflow in the payment engine, dormant since 2015, could have let an attacker mint spendable XRP beyond the token’s total supply.