Lido's Curated Module Committee gained the authority on Sept. 25 to change a 1,500 ETH reserve that protects validator deposits over stETH withdrawals. As of Sept. 27, the committee had not opened a motion to adjust it, but its stated plan would remove the protection temporarily and could later restore it once a new staking module launches.
When stETH holders request ETH through Lido's withdrawal queue, the protocol draws on ETH held in its buffer to finalize those requests. Some of that buffer is also set aside for new validator deposits, so the more ETH reserved for deposits, the less is immediately available to withdrawals.
Committee gains power over the reserve
Lido's contract documentation splits buffered ETH into three portions allocated in order: a deposits reserve first, then a reserve for unfinalized stETH requests, with any ETH left over funding validator deposits. The target governing the protected deposit slice currently sits at 1,500 ETH, and a reduction to that target takes effect immediately, while an increase waits for the next accounting oracle report.
The committee said in a Sept. 2 statement that the original 1,500 ETH target helped seed Curated Module v2 during a migration, and that the keys needed for that migration have now been seeded. It proposes setting the target to zero until a new module, 0x02 CSM, goes live.
What the stress model shows
An analysis used to size the initial reserve ran 500 simulations over historical staking and withdrawal data, testing a high-stress case with a roughly 30-day validator exit queue. At a zero ETH reserve, the model's high-stress average finalization time is 6.3 days; at the current 1,500 ETH target, it rises to 7.9 days; and a 2,000 ETH target would push it to 8.5 days. Under normal conditions, the same three settings model at 2.3, 2.6, and 2.7 days respectively.
The committee has pointed to an expected October launch for 0x02 CSM, though Lido's documentation describes a broader fourth-quarter target. It could restore a 1,500 to 2,000 ETH deposit reserve after that launch if node operators show demand for new validators, but the precise setting remains undecided.
On-chain target-setting records still showed 1,500 ETH on Sept. 27, with no motion filed since the committee's authority took effect. Whether the reserve moves will depend on which pressure the committee weighs first: the limited deposit capacity it cites today, or operator demand once the new module launches.
Source: CryptoSlate
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