The Bitcoin Address Tool is a brain-wallet/SHACode utility for Android. The functionality is equivalent to Casascius’ Bitcoin Address Utility and can create WIF and Hex format private keys as well as calculate Bitcoin addresses from any passphrase or SHACode.Note that this tool does not calculate the validity of an SHACode in the same way Casascius’ tool does, it is presumed that you have typed the code correctly.By purchasing this version you are donating to the author. There is no additional functionality beyond what is present in the free version.