BundleBear

ERC-4337 Paymasters

Paymaster
pimlico	37,891,362	$1,639,279.15
Unknown	24,191,460	$1,274,435.50
biconomy	17,121,359	$1,162,880.88
alchemy	85,384,699	$916,945.29
stackup	536,472	$815,135.31
coinbase	26,865,719	$746,677.26
particle	411,698	$75,848.76
circle	1,528,628	$12,822.61
candide	20,167	$1,371.39
blocto	1,315	$1,014.55
send	213,098	$955.82
cometh	41,217	$282.99
nani	482	$16.60
etherspot	378	$12.94
ambire	1,541	$4.28

Weekly UserOps Served

Weekly UserOp Marketshare

Weekly Paymaster Spend

Weekly Paymaster Spend Market Share

Weekly Sponsored vs ERC20 Paymaster Volume

Weekly Sponsored vs ERC20 Paymaster Volume Marketshare

Weekly Active Accounts

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