Close to Instantaneous Transfers Now Attainable on Ethereum Mainnet

Ethereum transactions can now be preconfirmed in only a fraction of a second with new tech from an Ethereum infrastructure platform.

Primev says its FAST RPC (Distant Process Name) permits transactions to be preconfirmed and set for inclusion in blocks in below 200ms — enabling every part from Ether (ETH) transfers and interacting with sensible contracts to minting non-fungible tokens (NFTs) at “blazing pace.”

Preconfirmation is an early sign from a block builder indicating a transaction will possible be included within the subsequent block, whereas block inclusion refers to a transaction being added right into a block.

RPCs like FAST RPC join crypto wallets to blockchain nodes, enabling customers to ship transactions and work together with decentralized purposes onchain.

From the consumer’s perspective 200ms might theoretically rival high-speed layer 1 blockchains like Sui, the place transactions are often confirmed inside 200ms.

Primev’s founder, Murat Akdeniz, posted a dwell demonstration to X on Monday, displaying a near-instant ETH switch by way of Ethereum self-custody pockets MetaMask, which he stated was preconfirmed in 377ms and included in the identical block.

Akdeniz stated his crew has been working for greater than two years to “supercharge Ethereum” to those speeds.

Ethereum L1 is painfully sluggish 😩

Can devs PLEASE repair this?!?

For two+ years, the @primev crew has been grinding to supercharge Ethereum mainnet.

As we speak: MILLISECOND preconfirmations… ON L1! 🚀watch me ship ETH blazing quick on this 18s vid pic.twitter.com/Diao4VfHzT

— Murat | lordofcoins.eth (@MuratLite) October 20, 2025

FAST RPC hasn’t been examined at scale

Essentially the most broadly used RPCs on Ethereum are Infura and Alchemy’s resolution, which, whereas slower than Primev’s FAST RPC, have a a lot bigger node distribution and have been battle-tested below a lot heavier community hundreds.