BundleBear

ERC-4337 Bundlers

Bundler
alchemy	90,678,202	40,618,700	$440,631.54
pimlico	39,790,555	31,485,066	$302,456.78
coinbase	35,165,392	12,559,080	$389,347.56
Unknown	32,854,861	21,523,908	$23,043.56
biconomy	17,034,434	18,295,525	$136,303.72
particle	4,396,505	4,322,769	$463,340.72
stackup	661,885	675,587	$8,928.10
Send	201,348	861,486	-$10,182.25
cometh	39,379	38,989	$160.41
candide	27,774	28,342	$430.73
etherspot	19,899	20,719	$613.69
unipass	247	275	$1.93

Weekly UserOps Bundled

Weekly UserOp Marketshare

Weekly OnChain Revenue

Weekly Active Accounts

Multi-UserOp Bundles Weekly % 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