For most blockchains, speed is something added on later. For Tezos, it’s something being carved directly into the base layer.
This weekend, the Tezos network quietly activated its Tallinn protocol update – a change that alters how fast the chain moves, how validators behave, and how much data applications are forced to carry. Rather than bolting on new layers or external systems, the upgrade pushes efficiency deeper into the protocol itself.
- Tezos cut base-layer block times to 6 seconds with its Tallinn upgrade, improving speed and finality
- The network now lets all validators attest to every block using aggregated cryptographic signatures
- New indexing changes sharply reduce storage costs, making Tezos lighter and more efficient
The most visible outcome is timing. Blocks now arrive every six seconds, compressing the gap between transaction submission and final confirmation. But Tallinn’s real significance lies in how that speed is achieved.
A lighter chain, not just a faster one
Instead of relying on a rotating subset of validators t confirm blocks, Tezos now allows every validator – known as bakers – to attest to every block. On older designs, that would overwhelm the network. Tallinn avoids that problem by changing the math.
Through BLS signature aggregation, hundreds of validator approvals are condensed into a single cryptographic proof. Nodes verify less data, not more. That reduction in workload is what makes faster block production sustainable rather than risky – and it creates room for further acceleration down the line.
At the same time, the upgrade trims the blockchain’s memory footprint. A new address indexing system removes repeated address data that previously bloated storage requirements. According to the Tezos team, this change alone dramatically cuts how much space applications consume, lowering costs for developers and infrastructure providers alike.
Why this approach stands out
Tallinn reflects a philosophy that sets Tezos apart from much of the industry. Instead of assuming the base layer must remain slow and minimal, Tezos keeps refining it through frequent protocol changes approved via on-chain governance. This was the network’s 20th such upgrade.
That path contrasts sharply with early blockchain designs. Bitcoin accepted long block intervals and later relied on off-chain payment systems to compensate. Ethereum moved toward a modular structure, pushing most activity onto layer-2 networks while the base chain anchors security.
Tezos is choosing a different compromise: keep execution, consensus, and storage improvements on the same layer, and evolve them gradually. In that sense, Tallinn is less a breakthrough moment and more a continuation of a long-running experiment in protocol adaptability.
Positioning in a faster blockchain era
As blockchains compete for real-world use cases – from finance to gaming to on-chain data – latency and finality are no longer abstract metrics. They determine whether a network feels usable or sluggish.
High-throughput chains like Solana pursued performance from day one. Tezos is arriving there incrementally, through governance-driven upgrades rather than architectural reinvention.
Tallinn doesn’t turn Tezos into the fastest chain overnight. What it does is narrow the gap while keeping the network’s original design principles intact. Faster blocks, cheaper storage, and broader validator participation all point in the same direction: a base layer that does more work itself.
Rather than signaling the end of Tezos’ scaling journey, Tallinn looks more like a checkpoint – one that makes the next round of improvements easier to justify, deploy, and govern.
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Source: https://coindoo.com/tezos-speeds-up-its-blockchain-with-major-network-upgrade/