Vitalik Buterin has just released a very interesting vision for Ethereum through 2029, and honestly, the plan is more ambitious than I expected. It's not an official announcement, but a strawman — basically a provisional roadmap to coordinate the evolution of layer 1 until the end of the decade.

The core of the proposal is quite straightforward: faster slots, near-instant finality, and quantum resistance. Today, Ethereum operates in 12-second slots. The plan is to gradually reduce this — to 8, 6, 4, 3, and potentially 2 seconds — using a formula of sqrt(2) at each step. Of course, the final steps depend on intensive research, but the direction is clear.

What caught my attention was how Vitalik addressed the issue of maintaining security with shorter slots. The answer lies in improvements to the peer-to-peer network, especially with erasure coding. Basically, instead of each node receiving complete blocks from multiple peers, blocks would be fragmented — say, into eight parts, where any four can reconstruct the entire block. This significantly reduces block propagation time at the 95th percentile, making shorter slots feasible without sacrificing security.

But there's more happening here. The strawman proposes decoupling slots from finality. Today, Ethereum's finality takes about 16 minutes. With the proposed changes, this could drop to between 6 and 16 seconds. To achieve this, they would need to adopt a Byzantine fault-tolerant algorithm with a single round — a variant of Minimit.

Another interesting point is that the plan includes a migration to post-quantum signatures and hash functions compatible with STARKs. The community is discussing Poseidon2, possible adjustments, or even reverting to Poseidon1. It's a comprehensive cryptographic overhaul that could be grouped with the other changes.

Vitalik described the entire process as a gradual component-by-component replacement — like an "Ethereum Ship of Theseus." The timeline extends to 2029, assuming roughly a fork every six months. The future names follow a star-based sequence, continuing the network's tradition of cosmic branding.

Of course, this isn't a promise. It's a proposal that invites debate. Whether Ethereum will actually reach 2-second slots and single-digit finality by the end of the decade depends on research, governance, and decentralized consensus. But the direction is solid: faster blocks, quicker settlement, and a protocol prepared to survive hardware changes and different cryptographic eras.

Currently, ETH is trading at $2.32K with a 2.10% increase in the last 24 hours. It will be interesting to see how these technical proposals evolve over the coming years.