XRP Ledger deploys security upgrade, closes token-minting loophole

The XRP Ledger, an open-source blockchain best known for powering the digital asset XRP, has successfully implemented a major security update aimed at closing a longstanding vulnerability in its token management system. The fixCleanup3_4_0 amendment became active on November 4 at 14:52 UTC, following nearly two weeks of validator voting and procedural delay. This upgrade addresses a critical loophole within XRPL’s permission delegation system. Previously, accounts granted PaymentBurn privileges—which are intended for token destruction—could, under specific circumstances, also create new tokens. This flaw impacted not only traditional trust-line assets but also Multi-Purpose Tokens, raising concerns particularly among stablecoin issuers and other entities overseeing tokenized financial products. An example of this problem involved stablecoin operators who had delegated redemption rights.

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