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 underneath 200ms — enabling all the pieces from Ether (ETH) transfers and interacting with good contracts to minting non-fungible tokens (NFTs) at “blazing velocity.”
Preconfirmation is an early sign from a block builder indicating a transaction will seemingly 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 reside demonstration to X on Monday, exhibiting 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.
At this time: 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 answer, which, whereas slower than Primev’s FAST RPC, have a a lot bigger node distribution and have been battle-tested underneath a lot heavier community hundreds.
Greater than 400,000 builders leverage the Consensys-built Infura to attach with Ethereum, whereas Alchemy facilitates greater than $150 billion in transactions yearly from over 100 customers worldwide.
Nonetheless, Primev’s answer might provide a lot sooner transactions for customers preferring to remain on Ethereum mainnet somewhat than switching to Ethereum layer-2 options.
FastRPC is comparatively simple to arrange
Primev’s answer can simply be built-in by connecting to a crypto pockets like MetaMask or WalletConnect and changing Infura and Alchemy’s RPC with FAST RPC.
Customers should then deposit funds into Primev’s “fuel tank” at pockets handle “0x24A…c2ACf” earlier than they will freely work together onchain.
