After carefully considering Vitalik Buterin's latest statements on L2 fast withdrawals, I find it quite interesting.

In simple terms: he believes that achieving fast withdrawals within one hour is more important than reaching Stage 2, and the logic behind this priority adjustment is worth deep reflection:

1) The one-week withdrawal waiting period has indeed become a significant issue in practical applications. Not only does it lead to a poor user experience, but more critically, it raises cross-chain costs. For example, in intent-based bridging solutions like ERC-7683, liquidity providers have to bear a week of capital occupation costs, which directly increases cross-chain fees. As a result, users are forced to choose to trust multi-signature solutions with weaker assumptions, which goes against the original intention of L2.

Therefore, Vitalik proposed a 2-of-3 hybrid proof system (ZK+OP+TEE), where ZK and TEE can provide immediacy, and TEE and OP both have sufficient production verification.

Theoretically, any two systems can ensure security, thus avoiding the time cost of simply waiting for ZK technology to mature completely.

2) Additionally, Vitalik's new statement gives the impression that he has become more pragmatic? From previously being an idealistic youth full of "decentralization crusades" and "anti-censorship," he has now directly provided hard metrics as a pragmatist: 1-hour withdrawals, 12-second finality, everything has become straightforward and brutal.

Previously, everyone was focused on the degree of decentralization in Stage 2, but now V God directly states that fast withdrawals are more important, which effectively re-prioritizes the entire L2 track.

This is actually paving the way for the ultimate form of the "Rollup-Centric" grand strategy, allowing Ethereum L1 to truly become a unified settlement layer and liquidity center. Once fast withdrawals and cross-chain aggregation are achieved, it will become significantly more challenging for other public chains to compete with the Ethereum ecosystem.

The reason little V is doing this is that the market has already voted with its feet, indicating that it does not care about the technical slogans of decentralization but focuses more on experience and efficiency. This shift from "ideal-driven" to "result-oriented" reflects that the entire Ethereum ecosystem is evolving towards a more commercial and competitive direction.

3) The question arises: to achieve the long-term goals of practical experience and infrastructure construction, the upcoming Ethereum ecosystem will likely focus on the maturity of ZK technology and cost control.

From the current situation, although ZK technology is progressing rapidly, cost remains a real constraint. A ZK proof costing over 500k gas means that, in the short term, only hourly submission frequencies can be achieved. To realize the ultimate goal of 12 seconds, breakthroughs in aggregation technology will be necessary.

The logic here is clear: the cost of frequently submitting proofs for a single Rollup is too high, but if the proofs of N Rollups can be aggregated into one, spreading the cost across each slot (12s) becomes economically feasible.

This also presents a new technical route for the L2 competitive landscape. Those L2 projects that can achieve breakthroughs in ZK proof optimization may find their footing, while those still stubbornly focusing on Optimism's optimistic proofs are likely to lose their direction.

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