![File:A paper printable Bitcoin wallet consisting of one bitcoin address for receiving and the corresponding private key for spending.png - Wikimedia Commons File:A paper printable Bitcoin wallet consisting of one bitcoin address for receiving and the corresponding private key for spending.png - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/c/c6/A_paper_printable_Bitcoin_wallet_consisting_of_one_bitcoin_address_for_receiving_and_the_corresponding_private_key_for_spending.png)
File:A paper printable Bitcoin wallet consisting of one bitcoin address for receiving and the corresponding private key for spending.png - Wikimedia Commons
![Fun fact: the cut-off "private key" QR code is an actual private key to a throwaway Bitcoin address : r/homestuck Fun fact: the cut-off "private key" QR code is an actual private key to a throwaway Bitcoin address : r/homestuck](https://external-preview.redd.it/gW6Aze4lBIVy3RbNY8UYpShShVhzpacDdpGnR_nUyNc.png?auto=webp&s=8cc701e7bf52a3440f4bb0ed0a1c7a588b864437)
Fun fact: the cut-off "private key" QR code is an actual private key to a throwaway Bitcoin address : r/homestuck
![Guessable Private Keys: How To Make A Million in Cryptocurrency | by Prof Bill Buchanan OBE | ASecuritySite: When Bob Met Alice | Medium Guessable Private Keys: How To Make A Million in Cryptocurrency | by Prof Bill Buchanan OBE | ASecuritySite: When Bob Met Alice | Medium](https://miro.medium.com/max/1400/1*639D3YHF-wcoQdrtv0bwdA.png)