bc

type Block struct {
	Header
	Transactions []byte
}

type BlockChain struct {
	Blocks []*Block
}

type Header struct {
	PrevHash         []byte
	Hash             []byte
	Timestamp        string
	Version          string
	Nonce            int
	DifficultyTarget int
}

type ProofOfWork struct {
	Block  *Block
	Target *big.Int
}