How to check a large amount of bitcoin addresses

[jamesbrooks]

Hi, I need a way to check thousands of bitcoin addresses or a wallet that will allow me to add thousands of private keys in one go.

Any help is appriciated.

[1715008830]

1715008830

[tspacepilot]

Part of that brainwallet hacking "brainflayer" which was released had some bloomfilter stuff to check large amounts of keys at once https://github.com/ryancdotorg/brainflayer.  I don't know if it's something you can repurpose for whatever you're doing.  See that "hex2blf" script.

In any case, if you only need to check thousands, why not just write a loop to look them up one at a time.  This could be problematically slow if you actually want to check hundreds of millions, but I would think that thousands would be trivially quick on a modern computer.

[--Encrypted--]

http://www.satoshiquiz.com/easybalance/easybalance.html
tried it with 490 addresses and worked. took around 9 minutes (I think 490 seconds because I set it to 1 second delay). don't have the time to fetch thousands of bitcoin addresses so excuse me for not trying that.

[jamesbrooks]

Part of that brainwallet hacking "brainflayer" which was released had some bloomfilter stuff to check large amounts of keys at once https://github.com/ryancdotorg/brainflayer.  I don't know if it's something you can repurpose for whatever you're doing.  See that "hex2blf" script.

In any case, if you only need to check thousands, why not just write a loop to look them up one at a time.  This could be problematically slow if you actually want to check hundreds of millions, but I would think that thousands would be trivially quick on a modern computer.

Thanks, I'll take a look. I'm looking to check 100k addresses.

http://www.satoshiquiz.com/easybalance/easybalance.html
tried it with 490 addresses and worked. took around 9 minutes (I think 490 seconds because I set it to 1 second delay). don't have the time to fetch thousands of bitcoin addresses so excuse me for not trying that.

Found this before posting, it's good for a small amount, but checking more than 1000 it prints "Error" instead of the balance.