BundleBear

ERC-4337 Bundlers

Bundler
alchemy	246,777,809	147,118,099	$624,241.75
Unknown	56,942,436	22,057,777	-$116,015.36
pimlico	46,240,118	37,865,299	$266,107.58
coinbase	42,899,530	17,451,726	$432,549.62
biconomy	17,283,077	19,372,641	$135,647.67
thirdweb	6,170,754	6,474,152	$6,477.60
particle	4,777,197	4,721,639	$543,461.41
Send	1,055,709	1,139,088	-$10,231.90
stackup	661,885	675,587	$9,290.39
cometh	280,029	278,696	$169.14
etherspot	86,280	86,427	$855.32
candide	49,111	52,216	$1,165.31
unipass	248	276	$2.08

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