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Main crypto markets have suspended ether trading, funding, withdrawals and deposits following a serious security issue with geth nodes. The fault has crashed mining rigs and plunged the network’s hashrate.

According to the developers, the geth bug originated from a faulty implementation of Ethereum's Go client.

Kraken and Bitfinex were the first two exchanges to respond to the security alert marked as “high severity” by the Ethereum development team, halting Ethereum deposits and withdrawals indefinitely until the network state improves.


Other major exchanges including Poloniex and Coinbase haven’t suspended Ethereum operations as of yet. Poloniex temporarily disabled ETH deposits and withdrawals on September 18 to investigate network issues but trading was almost immediately resumed on September 19.

Neither Ethereum & Ethereum Classic in Danger

In a strange series of events, Ethereum Classic, the other Ethereum network which operates on the original chain, remained unaffected by the geth bug alert. The Ethereum Classic development team were warned by the Ethereum Foundation due to a small possibility that the bug may surface on the network of Ethereum Classic.

The Ethereum Classic developers, in turn, assured that neither Ethereum or Ethereum Classic networks was actually in danger. The Ethereum Core project’s Parity, a lightweight Ethereum client, is allowing the Ethereum network to run smoothly.


Although the geth update has not fixed the security issues of the Ethereum network, Parity and other alternative solutions are mitigating the geth bug’s impact to the network.

Joseph Young