Fidesium Blog

Shared Library and Rounding Bugs Drain Hundreds of Millions.  Hackers Don’t Care About Out of Scope  In May and November

  TL;DR  A contact I recognised reached out to “catch up”, steered me toward a video call, then pushed a

16 new detectors, and an accuracy floor we cannot regress past Most product updates are changelogs. We try not to

Fidesium’s latest customer, Sumvin, is a soulbound ERC-721 identity protocol. Our engagement covered the full Solidity codebase, the UUPS upgrade

Auditing a Solana Perps DEX at Production Scale TL;DR: Fidesium audited Adrena – a Solana-native perpetual futures DEX run by

April 2026 was the worst month on record for crypto. Almost none of it was clever. Roughly 600 to 650