BundleBear

ERC-4337 Account Factories

Account Deployer
alchemy	13,599,385
zerodev_kernel	4,813,790
simpleaccount	4,375,841
Unknown	3,278,697
biconomy	2,168,594
lumx	1,059,022
coinbase_smart_wallet	972,772
thirdweb_default	345,133
thirdweb_managedaccount	247,358
circle	102,788
kresus_vault	27,437
ambire	1,930
splits_smart_vault	1,851
nani	1,629
etherspot	1,548
candide	118
banana	43
thirdweb_default_v6	35
thirdweb_default_v7	20
fun.xyz	19
metamask	12

Weekly Accounts Deployed

Weekly Account Deployment Market Share

Weekly Active Accounts

Weekly Active Accounts Market Share

What is an ERC-4337 smart account?

A smart contract wallet AKA smart account is a customizable Ethereum account. Smart accounts can be programmed with features like

Batched transactions: Multiple actions, such as approving and swapping on a DEX, can be combined into one transaction.

Gas fee abstraction: Users can transact without having to pay gas fees in the native token.

Seedphrase-free security: Users can secure their wallets with verification methods that are easier and safer than seedphrases e.g. passkeys.

What is a UserOperation (UserOp)?

UserOps are actions made by smart wallets. Bundlers bundle batches of UserOps into onchain transactions. Apps can use Paymasters to pay UserOp fees on behalf of their users