Ethereum’s newly activated staking-withdrawal system faced its first substantial test on April 15, 2023, as validators moved previously locked ether while ETH remained above $2,000. The combination mattered because Shapella had converted Ethereum staking from an effectively one-way commitment into a position with a protocol-defined exit, removing a major liquidity constraint while introducing an uncertain source of potential selling.
The Ethereum Foundation had scheduled the combined Shanghai and Capella upgrade for epoch 194048 at 22:27:35 UTC on April 12, 2023. Shanghai changed the execution layer, while Capella changed the consensus layer. Together they enabled both withdrawals of accumulated validator rewards and full exits from the Beacon Chain.
Withdrawals became an operating system
The withdrawal mechanism was not an ordinary user transaction. EIP-4895 specified system-level operations that push consensus-layer withdrawals into the Ethereum Virtual Machine after they are dequeued. That distinction limited how quickly balances could move and meant a processed withdrawal was not equivalent to a market sale.
A Forbes analysis updated at 09:49 Eastern time on April 15 reported approximately 157,000 ETH deposited and 300,300 ETH withdrawn since activation, producing a cumulative net outflow of 143,300 ETH by subtraction. It also reported that approximately 18.2 million ETH had been locked before the upgrade. Those figures were a contemporaneous snapshot rather than totals for the complete April 15 calendar day.
Access was not universal. Decrypt, citing Nansen data on April 15, reported that 106,219 validators holding 284,286 ETH had not yet updated to withdrawal-compatible credentials. Nansen characterized that group as 18.5% of validators. The credential backlog constrained how much ETH could become immediately accessible and complicated simple forecasts based on the total amount staked.
Ether held its post-upgrade advance
CoinMarketCap’s historical snapshot for April 15 displayed ETH at $2,092.47, with a market capitalization of $251.33 billion and reported 24-hour volume of $8.04 billion. The aggregator measured ETH down 0.44% over 24 hours but up 13.14% over seven days. Its corresponding bitcoin snapshot showed BTC up 8.48% over seven days, so ETH outperformed BTC by 4.66 percentage points over that specific rolling window.
These are aggregated market snapshots, not a regulated exchange closing auction, and cryptocurrency trades continuously across venues. They establish the displayed price and measurement window, but they cannot establish that Shapella alone caused the weekly gain.
The defensible interpretation on April 15 was narrower: a feared immediate wave of forced selling had not overwhelmed the market. Withdrawn ETH could be sold, held, transferred to customers or deposited again through another validator or staking service. Address labels and withdrawal processing records could not reveal every holder’s final intent.
That distinction was institutionally important. Before Shapella, prospective validators had to accept an uncertain lockup. By April 15, Ethereum had demonstrated that its exit machinery worked under meaningful demand, although operational queues, credential changes and future selling remained unresolved risks.
Later confirmation of the day’s scale
A report published on April 17, using Beaconcha.in data after the daily record was complete, identified April 15 as the largest withdrawal day of Shapella’s first four days, with approximately 392,800 ETH processed. That later figure clarifies the full-day scale; it was not available in complete form during April 15 and does not prove that the withdrawn ETH was sold.
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