Soneium, a layer-2 (L2) blockchain community developed by Sony Block Solutions Labs, mentioned it has slashed its blockchain finality time by over 98%, because it goals to unravel one of many largest challenges in blockchain scalability.

Astar, a Japanese Web3 adoption collective bridging Astar Network and Soneium, introduced a strategic partnership with AltLayer and EigenLayer to launch a “Fast Finality Layer” for Sony’s L2 blockchain.

In blockchain settlement, finality is the peace of mind {that a} transaction is irreversible, which occurs after it’s added to a block on the blockchain ledger.

The new finality layer gives a crypto-economic safety assure by means of a decentralized community of validators to scale back the reliance on centralized sequencers and allow safer crosschain interactions.

This might lead to a sub-10-second transaction finality for Soneium, a 98% discount from its preliminary 15-minute finality, which was achieved by means of Optimism’s OP Stack, in response to an announcement shared with Cointelegraph.

The new validator community will likely be secured by each restaked Ether (ETH) and Astar (ASTR) tokens.

Reducing blockchain finality is essential for enabling extra superior decentralized finance (DeFi) use circumstances and enhancing developer and consumer expertise, since most options expertise finality delays from quarter-hour to a number of days, in response to Maarten Henskens, head of Astar Foundation.

The new partnership is a “crucial step toward secure, high-speed, crosschain interoperability,” he advised Cointelegraph, including:

“It’s a foundational improvement in UX and trust: users no longer need to wait or “double-check” if a transaction will likely be reversed, and builders can confidently construct real-time, interactive functions with out worrying about delayed finality.”

“This milestone is just the beginning — and there’s a much larger story unfolding around how fast finality will reshape developer UX, DeFi, and crosschain experiences,” he added.

Arbitrum One is at the moment the quickest blockchain, with a median finality time of 1 minute, the identical as Coinbase’s Base L2 community, each counting on optimistic rollups, L2beat knowledge reveals.

Related: Crypto lending down 43% from 2021 highs, DeFi borrowing surges 959%

Blockchain L2 finality a key bottleneck for adoption

Solving blockchain finality stays the most important barrier to mainstream Web3 adoption, in response to YQ Jia, CEO of AltLayer.

“By combining EigenLayer’s restaking with MACH validation and support from Astar Network, we’re creating an infrastructure that offers the best of both worlds — Ethereum’s security guarantees with near-instant finality,” Jia mentioned. “This is exactly the kind of solution needed to bring blockchain technology to mainstream adoption.”

Related: Kraken rolls out ETF and stock access for US crypto traders

EigenLayer has sought to advance mainstream blockchain adoption because it launched.

In February 2025, EigenLayer and blockchain protocol Cartesi launched a brand new initiative to search out the following key prototype shopper utility with new use circumstances which will bolster mainstream crypto adoption.

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