fengshuyong
@fengshuyong
And what exactly do you mean by 'online wallet'? All wallets need to be online to broadcast the transaction. Or do you mean 'web wallet'? In that case, unlike blockchain.info, most of the web wallets are custodial wallets and don't create wallet file for users. They rather save users' keys in centralized database. Moreover, I doubt whether there were many notable web wallets in 2009-2012 period.
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