# MultiversX Restarts Its Mainnet After a Five-Day Halt, but Kraken Keeps EGLD Locked

A virtual-machine atomicity defect let an attacker create invalid state changes, and validators stopped producing blocks until a fix was tested on a shadow fork.

- Published: 2026-09-25T13:11:38.958Z
- Canonical: https://polylog.news/crypto/2026-09-25/multiversx-restarts-its-mainnet-after-a-five-day-halt-but-kr
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [CryptoSlate](https://cryptoslate.com/multiversx-restarts-after-exploit-halt-but-kraken-still-bars-new-egld-trades/), [crypto.news](https://crypto.news/multiversx-hit-by-upbit-warning-after-mainnet-exploit/), [The Defiant](https://thedefiant.io/news/hacks/cronos-produces-no-block-for-10-hours-as-68-7m-from-tectonic-exploit-sits-frozen)

MultiversX resumed block production on September 24, about five days after validators paused the chain in response to an exploit attempt. The team says an attacker tried to abuse a virtual-machine-level atomicity defect, meaning operations…

This story is for subscribers. Read it in full at https://polylog.news/crypto/2026-09-25/multiversx-restarts-its-mainnet-after-a-five-day-halt-but-kr (subscription information: https://polylog.news/pricing).