LearningBlockChain

1_HashFuntion

An example of using hash function.

2_digital_Signature

RSA and ECDSA signature and verify example based on openssl.

3_MerkleTree

Referencing Bitcoin transaction data structure, an example of building and verifying a Merkle tree.

4_SimpleChain

Add block in a simple block chain

5_Solidity

1_MyToken

An ERC20 token