Markle Tree, Algorithms, Modern Computing, Bitcoin Blockchain, Scalability.
HashValueA Hash(B) = HashValueB Hash(C) = HashValueC Hash(D) = HashValueD Building the Tree: Now, we start building the Merkle tree structure by pairing and hashing the hash values. We calculate the hash of concatenated pairs until we reach the root hash. Pair 1: Hash(HashValueA + HashValueB) =