AL 802(A) Block Chain Technologies

Overview of Block chain Public Ledgers Bitcoin Smart Contracts Block in a Block chain Transactions Distributed Consensus Public vs Private Block chain Understanding Cryptocurrency to Block chain Permissioned Model of Block chain Overview of Security aspects of Block chain Basic Crypto Primitives: Cryptographic Hash Function Properties of a hash function Hash pointer and Merkle tree Digital Signature Public Key Cryptography A basic cryptocurrency

Bitcoin and Block chain: Creation of coins Payments and double spending Bitcoin Scripts Bitcoin P2P Network Transaction in Bitcoin Network Block Mining Block propagation and block relay Working with Consensus in Bitcoin: Distributed consensus in open environments Consensus in a Bitcoin network Proof of Work (PoW) – basic introduction HashCashPoW Bitcoin PoW Attacks on PoW and the monopoly problem Proof of Stake Proof of Burn and Proof of Elapsed Time The life of a Bitcoin Miner Mining Difficulty Mining Pool

Permissioned Block chain: Permissioned model and use cases Design issues for Permissioned block chains Execute contracts State machine replication Overview of Consensus models for permissioned block chain Distributed consensus in closed environment Paxos RAFT Consensus Byzantine general problem Byzantine fault tolerant system Lamport-Shostak-Pease BFT Algorithm BFT over Asynchronous systems

Cross border payments Know Your Customer (KYC) Food Security Mortgage over Block chain Block chain enabled Trade We Trade – Trade Finance Network Supply Chain Financing Identity on Block chain

Hyperledger Fabric- Architecture Identities and Policies Membership and Access Control Channels Transaction Validation Writing smart contract using Hyperledger Fabric Writing smart contract using Ethereum Overview of Ripple and Corda