The Chinese media’s consensus on Ethereum’s hard fork for Constantinople is that smart contracts’ vulnerabilities leave Ethereum ripe for reentrancy attacks, and the upgrade delay will lead to difficulty bombs.
News network ChainNews’s report “Fuse of Ethereum’s Difficulty Bomb Has Been Lit
「嘀嗒嘀嗒 以太坊難度炸彈的引信已經拉開」” says:
以太坊推遲 6 周之後才進行升級，同時也意味著，用於延遲難度炸彈的「EIP 1234」要在一個月後才能被正式啟動。而實際上，以太坊的難度炸彈已經在大約 670 萬高度的區塊「啟動」，並在大約 700 萬高度的區塊發生了「爆炸」。
Ethereum’s upgrade was postponed for six weeks, meaning that the difficulty bomb-delaying EIP 1234 was postponed for a month. Ethereum’s difficulty bomb has already been launched at the block height of 6.7 million, and will “explode” at a height of 7 million blocks.
目前以太坊的區塊高度為 709 萬左右，在等待君士坦丁堡升級的一個多月的時間內，這枚引信已經拉響的「難度炸彈」將逐步提升以太坊上的挖礦難度。
At present, Ethereum’s current block height is up to around 7.09 million. During the more than one month of waiting for a Constantinople upgrade, the difficulty bomb whose fuse has been lit will gradually increase the difficulty of mining for Ethereum.
ChainDD, in its report “Growing Pains: Ethereum’s Fork Heralds Future Tears
Ethereum’s Constantinople’s hard fork has been delayed, and this isn’t the first time. All changes this substantial mean changing established rules and institutions, inevitably accompanied by technical difficulties, disputes among different interests and differences of opinion.
Ethereum is currently relatively large, with about 1 million mining machines. The value of these machines is almost 10 billion. In addition, there are many miners on the Ethereum network. Changing from a PoW to a PoS consensus mechanism will mean that these mining facilities can no longer generate revenue.
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