
Pimlico Paymaster
Pimlico Paymaster is an ERC-4337 compliant paymaster service that sponsors onchain gas fees for users.

What is Pimlico Paymaster?
Pimlico Paymaster is an ERC-4337 compliant paymaster service that provides two types of paymasters, Verifying and ERC-20, to abstract away gas fees for users. The Verifying Paymaster allows developers to load an off-chain Pimlico balance through their dashboard and sponsor onchain gas fees for users on 100+ chains. The ERC-20 Paymaster is a permissionless on-chain smart contract that lets users pay for their own gas fees using their ERC-20 tokens.
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Developer resources from Alchemy

What is account abstraction? ERC-4337 explained
Account abstraction lets a smart contract act as your account. ERC-4337 delivers it without changing Ethereum, and EIP-7702 brings it to existing EOAs.

ERC-1271 signature replay vulnerability
On October 27th 2023, Alchemy discovered a ERC1271 contract signature replay vulnerability that affected a large number of smart contract accounts (SCA), and led to risks when interacting with several applications.

Building the future of secure crypto wallets with Zengo & Alchemy
In the world of cryptocurrency, security breaches and wallet hacks make headlines almost daily. But amid these stories of loss and vulnerability, one company has maintained a perfect security record.
Pimlico Paymaster alternatives
Explore web3 competitors and apps like Pimlico Paymaster.
App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

