MiftyCoin (MFT): A Cryptocurrency Mined with Proof of Human Work

We present in this paper a cryptocurrency called Mobile Fungible Token (MFT) or "MiftyCoin", which is mined with Proof of Human Work (PoH). Blocks in MFT's blockchain are mined by users solving unique 24-tile puzzles autogenerated as a function of block hash values. Each tile in the puzzle is a 4-sided domino-like square, where the number of dots per square is a function of a subset of the bits of a corresponding byte in the block's hash value. The objective is to find a set of tile moves that end up in an arrangement with an optimal score; where each matching tile side increases the score by one. The block with the highest score gets a reward. More information about MiftyCoin is available at: https://www.miftycoin.com.