MANTRA halt freezes tokenized settlement as token slides

At 8:10 p.m. ET on Thursday, Aug. 20, MANTRA froze all endpoints and transactions on its Layer 1 blockchain, saying only that it was responding to an incident with no root cause or timeline, according to The Defiant. Nine and a half hours later the team said the incident was isolated to the chain's Cosmos EVM module, affected two wallet addresses before containment, and left no user funds exploited. The network remained down. The status page then narrowed the blast radius to two MANTRA-managed wallets, with no indication that user, exchange, or partner funds were affected; the company has not published the amount involved, named the flaw, or said whether assets moved out of the two wallets, and a post mortem was promised.

DefiLlama counted $548,575 in total value locked on the chain on Aug. 20, $468,411 of it in stablecoins, and by Friday the reading had fallen to $5,159 as no MANTRA transaction settled. But the chain is built to carry regulated real-world assets: in May, MANTRA said Securitize, the tokenization platform behind BlackRock's BUIDL, had joined its active validator set, and the chain also hosts mantraUSD, a stablecoin backed by short-term U.S. Treasuries, plus a Layer 2 that borrows MANTRA's security. A chain that can stop settlement for a day is a counterparty, not a utility, and the halt lands while Inveniam Capital Partners is still working to close its acquisition of the company.

The token, renamed from OM in a 1:4 redenomination that took effect in March, hit an all-time low of $0.0041 at 23:09 UTC on Aug. 20, about an hour before the disclosure, after trading at $0.0050 four hours earlier. By 14:00 UTC Friday it had recovered to $0.0048, down roughly 4% over 24 hours, with a market cap of $26.9 million and 24-hour volume of $30.3 million. It still trades 82% below its $0.0263 high, set on March 4.

The halt is the second time in seven months MANTRA has been pulled into a security event in the Cosmos EVM codebase, the shared open-source stack that gives Cosmos SDK chains Ethereum compatibility, and the team only switched its EVM on in September 2025. In January, an attacker drained roughly $7 million from Saga's EVM network through a bug in the ICS20 precompile, according to Cosmos Labs' ASA-2026-002 advisory. The post mortem will have to say whether the flaw is contained or merely latent.