Description

Students have been allocated a unique cryptocurrency wallet and initial blockchain with a genesis block to use.

{"srn":"160287587","name":"A FAHMEEDA BANU D/O ABDUL MALIK","wallet":{"privateKey":"307b020100301306072a8648ce3d020106082a8648ce3d0301010461305f020101041890b41e2902c50609ff663b7358423748da2e3572b7ca1a60a00a06082a8648ce3d030101a13403320004d4792b6fd0d25ec0eefbf4e400a2dc034cc012a34dabb72f0139a3098d8ed61c8f841aae7837947de04f404fae9c12ab","publicKey":"3049301306072a8648ce3d020106082a8648ce3d03010103320004d4792b6fd0d25ec0eefbf4e400a2dc034cc012a34dabb72f0139a3098d8ed61c8f841aae7837947de04f404fae9c12ab","balance":100.0},"blockchain":
[{"hash":"0007dea1555e815bbc0aa3d12cc2f5892a24fd86d69bfe6f3f23842e1b9c6f91","previousHash":"0","transactions":
[{"sender":"3049301306072a8648ce3d020106082a8648ce3d0301010332000492c92f879ce0433b40f2d62242c31f045830e78603ad41a2a5f21237c0a710b4b291e9abd01e6c3f7d8319e625bbc3ed","recipient":"3049301306072a8648ce3d020106082a8648ce3d03010103320004d4792b6fd0d25ec0eefbf4e400a2dc034cc012a34dabb72f0139a3098d8ed61c8f841aae7837947de04f404fae9c12ab","value":100.0,"hash":"e6d99ae141f8b9b21568252630419bb32a64463b760fe26522aeb6f465df0946","signature":"MDQCGHPHGhI4ZyWVfYl3e/Fb+SwtWDp8zhc4zgIYWJevw9sR2wK/LV+Z0L6tuEWXB85pewqe","outputs":
[{"recipient":"3049301306072a8648ce3d020106082a8648ce3d03010103320004d4792b6fd0d25ec0eefbf4e400a2dc034cc012a34dabb72f0139a3098d8ed61c8f841aae7837947de04f404fae9c12ab","value":100.0,"parentHash":"e6d99ae141f8b9b21568252630419bb32a64463b760fe26522aeb6f465df0946","hash":"87f90b0f6b3b2a8a6ac868a26cb0491b37a9a1c713dfe1f0c7535ccfb97c87b2"}],"sequence":0}],"timeStamp":1576596661027,"nonce":370,"merkleRoot":"e6d99ae141f8b9b21568252630419bb32a64463b760fe26522aeb6f465df0946"}]}

Introduction You may have noticed that recently there has been a considerable amount of attention and investment directed towards cryptocurrencies, blockchain and Bitcoin.

The general idea behind blockchain. • Cryptographic hash functions and security of SHA-256. • Merkle trees. • Proof-of-work algorithms.

• The original Bitcoin paper. • Hashcash.

Need to add a few blocks with a few transactions each to a simplified initial blockchain that you have been provided with, and submit the result in a specific format.

To solve this, you may find it necessary to write a program. You are welcome to use any programming language and you are welcome to use any third-party libraries available for SHA-256 and JSON. Libraries are available for most languages, including – and not limited to – Java, C/C++, Scala, Python, JavaScript. Please include key snippets of your code as an annex to your report.