BundleBear

ERC-4337 Bundlers

Bundler
alchemy	172,861,492	94,553,735	$495,800.14
Unknown	49,509,306	27,664,496	-$29,033.13
pimlico	44,329,738	35,850,417	$282,578.10
coinbase	37,162,309	14,198,440	$397,367.95
biconomy	17,176,581	18,842,011	$136,092.63
particle	4,635,921	4,567,839	$509,333.99
thirdweb	3,208,851	3,378,302	$1,429.06
Send	981,424	1,056,074	-$9,968.36
stackup	661,885	675,587	$8,982.96
cometh	204,981	201,717	$168.87
candide	36,356	36,675	$951.38
etherspot	24,587	25,451	$633.87
unipass	248	276	$1.94

Weekly UserOps Bundled

Weekly UserOp Marketshare

Weekly OnChain Revenue

Weekly Active Accounts

Weekly Bundle Txns Failed due to Frontrunning

Weekly % Bundle Txns Frontran

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