Starknet Becomes First Rollup with Multiple Sequencers

Starknet v0.14.0, codenamed Grinta, launched on mainnet in September 2025 with a groundbreaking feature: decentralized sequencer architecture. Starknet is now the first rollup powered by multiple sequencers.

Breaking the Centralization Critique

Rollups have long faced criticism for centralized sequencing. A single sequencer can halt the chain, extract MEV, or censor transactions. With Grinta, Starknet operates three sequencers using Tendermint consensus with a 1/2 threshold.

Currently, all three sequencers are run by StarkWare, but the architecture enables permissionless participation. Soon, anyone meeting requirements can operate a sequencer.

Stwo Prover Integration

The Stwo Prover, integrated in November 2025, reduced proof generation costs by 50%. Described as “the fastest prover in the world and the most suited for client-side proving,” Stwo makes verification on Starknet dramatically more efficient.

Performance Improvements

Block times dropped from 30 seconds to 4-6 seconds. Pre-confirmations now feature approximately 0.5-second latency, making transactions feel almost instantaneous. The network is on track to exceed 1,000 TPS with Cairo Native optimizations.

Bitcoin Staking

In October 2025, Starknet launched BTC staking, becoming the first rollup to tether security directly to Bitcoin. The dual-token consensus mechanism weights STRK at 75% and BTC at 25% of total network security.

Decentralization Roadmap

The four-layer decentralization protocol includes staking, L2 consensus via Tendermint, decentralized proving, and L1 state updates. Staking v4 will make validators fully responsible for producing, attesting, and proving blocks, completing the transition to permissionless operation.