Bridges

9 articles tagged Bridges.

Articles

Security

zkLink stopped Nova after a bridge exploit. A halt is not a refund.

On 29 October 2026 zkLink suspended block production on Nova and disabled withdrawals after an attack on its Arbitrator contracts on Ethereum and Optimism. The project published no loss figure and no cause beyond the contract it named.EasyCryptoGuides · 29 Oct 2026, 14:00 UTC · 5 min read

Security

Initia halted after unbacked tokens left a bridge. A pause is not a refund.

Initia halted on 23 October after unbacked bridged tokens left, and said on 2 November that the chain was back. On 10 November exchanges said blocks had stopped again. Later reports put about 605,000 USDC out. That is a new incident.EasyCryptoGuides · 23 Oct 2026, 16:00 UTC · 5 min read

Security

Nomic’s nBTC broke. Osmosis froze allBTC. A voucher is not bitcoin.

On 9 September 2026 Osmosis said about 39.84 nBTC — roughly 36% of Alloyed BTC backing — was affected. An emergency upgrade froze 22.65 BTC. Mint and redeem are paused.EasyCryptoGuides · 9 Sept 2026, 11:00 UTC · 3 min read

Security

Liquid printed unbacked L-BTC. Bitcoin did not break.

On 6 September 2026 a bug in Elements let unbacked L-BTC be minted and pegged out. About 3,996 BTC left the federation reserve. 3,400 came back the next day. The rest had not, as of the incident reports.EasyCryptoGuides · 6 Sept 2026, 16:00 UTC · 3 min read

Security

Cronos rolled back ~11,000 blocks after Tectonic. That is a validator choice, not finality.

On 30 August 2026 Cronos halted at block 90,907,150 and restored state to 90,896,188. About $111.2 million reversed on-chain; about $9.19 million had already left.EasyCryptoGuides · 30 Aug 2026, 16:00 UTC · 3 min read

Blockchain

What is a crypto bridge?

A cross-chain bridge is a contract — or a committee — that watches one notebook and writes on another. Useful. Historically accident-prone. Here is the product map without a ranking of remaining holes.EasyCryptoGuides · 13 May 2026 · 5 min read

Security

The Ronin hack was a bridge with too few keys, not Ethereum failing

Sky Mavis’s sidechain bridge did what a 5-of-9 scheme does when five keys are in the wrong hands. Ethereum mainnet kept producing blocks. The game’s on-ramp did not.EasyCryptoGuides · 23 Mar 2022, 18:00 UTC · 1 min read

Security

Wormhole was a bridge bug. Jump put the ETH back.

A signature-check failure on the Solana side of a cross-chain bridge printed IOUs that were not matched by ether on Ethereum. Users of the wrapped token got made whole by a company, not by maths.EasyCryptoGuides · 2 Feb 2022, 18:00 UTC · 1 min read

Security

Poly Network’s $610m hole was a bridge bug. The chains kept running.

A little-known interoperability protocol lost on the order of $610 million, then spent two weeks getting it returned. Ethereum did not halt. A keeper path did.EasyCryptoGuides · 10 Aug 2021, 16:00 UTC · 1 min read