# Osmosis Took 74 Days to Notice Its Bitcoin Token Was 36 Percent Unbacked

A flaw in Nomic's forwarding logic minted 40.65 unbacked nBTC, and four other incidents disclosed this weekend trace to the same pattern of trusted inputs accepted without verification.

- Published: 2026-09-21T05:47:19.973Z
- Canonical: https://polylog.news/crypto/2026-09-21/osmosis-took-74-days-to-notice-its-bitcoin-token-was-36-perc
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [Rekt News](https://www.rekt.news/), [DeFiHackLabs (Nimiq)](https://github.com/SunWeb3Sec/DeFiHackLabs/commit/4a1cc49a33ca0142268a2f2600e705c992803898), [DeFiHackLabs (Startale)](https://github.com/SunWeb3Sec/DeFiHackLabs/commit/cb457812eacd4dad09bbd1b62a1fe2fcff1a8669), [DeFiHackLabs (Likwid)](https://github.com/SunWeb3Sec/DeFiHackLabs/commit/486dba7730b4dc730f66124c0ffecd60840601eb</source_url_placeholder)

The most instructive security failure catalogued this week is not the largest one. An attacker exploited a flaw in the forwarding mechanism of Nomic, a bitcoin bridge into the Cosmos ecosystem, generating roughly 40.65 unbacked nBTC and mov…

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