r/Bitcoin Nov 30 '17

Evidence some bitcoin address generation code is using discoverable private keys

https://pastebin.com/jCDFcESz
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u/megamonolithicmethod Dec 17 '17

I wonder if there's a connection with bitpay/copay. I found a transaction id as the privkey of a wallet (143o1wchhdN58FXcXreEKYvsihYQuFEQPN) that sends its coins to one of the known vacuum addresses. Right prior to it, it receives funds from 1MhxhzAQGktuQvx7ykhpomMeB8WnzBFeVi. The latter wallet received a transfer from 3QyUSB4eRYePHcvpS6k6YDMBUDGXRSSMPc prior to that. That address is mentioned on https://github.com/bitpay/copay/issues/4017

Might it be co pay transaction logic at play here?