The Ethereum network is set to implement an upgrade called Arrow Glacier on Dec. 9, 2021. A key impact of this upgrade is that it will delay the onset of a so-called «difficulty bomb»—which would hamper or halt further mining of its Ether (ETH) cryptocurrency—to June 2022.
«After the transition, the 'bomb' will no longer exist on the network,» according to Tim Beiko, the coordinator for Ethereum's protocol developers. More specifically, Ethereum's developers are working toward the creation of Ethereum 2.0, or ETH2, which will shift its underlying model from "proof of work" to "proof of stake."
Under the current proof of work model utilized by Ethereum, miners must solve complex mathematical problems or puzzles to validate transactions. A
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