
Arka
Arka is an open-source ERC-4337 compliant paymaster service by Etherspot that enables sponsored and gasless transactions.

What is Arka?
Arka is an open-source ERC-4337 paymaster service created by the Etherspot team that enables sponsored transactions. This allows users to pay with native tokens like ETH and ERC-20 tokens like USDC.
Web3 dapps and developer tools related to Arka
Discover blockchain applications that are frequently used with Arka.
Developer resources from Alchemy

What are Paymasters? (ERC-4337)
Learn the Function of Paymaster Smart Contracts in ERC-4337

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.

How Friendzone uses gas sponsorship to increase transactions by 300%
Sponsoring gas for new users allowed Friendzone to drive a 300% increase in the number of transactions in their app and enabled them to onboard over 6,000 unique users.
Arka alternatives
Explore web3 competitors and apps like Arka.
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.

