I found a simple blockcain example. :)
The writer said it is just 200line of code for blockchain.
https://medium.com/@lhartikk/a-blockchain-in-200-lines-of-code-963cc1cc0e54
200줄 짜리 블록체인 코드 예제
I found a simple blockcain example. :)
The writer said it is just 200line of code for blockchain.
https://medium.com/@lhartikk/a-blockchain-in-200-lines-of-code-963cc1cc0e54
200줄 짜리 블록체인 코드 예제