See Also
ELI5 Bitcoin Puzzle Transactions
As the name implies, Bitcoin puzzle transactions are created as a challenge and not for the usual purpose of monetary transfer. Puzzles can be published for several reasons, including software test bounties, marketing campaigns or just for fun. Early Puzzles In the early days of Bitcoin, when $BTC coins could be found for free on […]
shafs – SHA256 a filesystem and store it on SQLite. Find duplicate files, organize your data
shafs is a tool to help you SHA256 an entire filesystem, file by file, storing its hash and file size in a SQLite database. Dependencies shafs requires sqlite3 On Ubuntu do: Please check your distribution for the appropriate packages. Build Installation To install locally, uncomment last line in build.sh and re-run it or run : Manual Build […]
256 Bit Integer commented uint256.cpp from Bitcoin Core source code
If you’ve developed systems in C or C++ before then you’re probably familiar with the stdint.h (cstdint for C++) typedefs. Since there’a lot of variation between platforms, stdint.h standardizes integer type names in an intuitive way. A uint8_t is an 8-bit unsigned integer and a uint64_t is a 64 bit unsigned integer. What you won’t […]
Building the Haskell cardano-node on Linux
tl;dr; Jump straight to the build instructions The Details Looking forward to the Haskell mainnet, the next step in the Cardano project, I’ve begun exploring the cardano-node Haskell implementation. I find that exploring source code is much easier if you actually watch the program run for a while. So, the first thing a developer has […]