Tag Archives: Bitcoin

Deciphering Blockchain – Role of Cryptographic Hashes and Digital signatures

In a Blockchain infrastructure, trust is built using cryptographic hash functions and Public-key cryptography using digital signature mechanisms.  If we unpack the building blocks of a typical blockchain infrastructure – It relies on a multi-party peer-to-peer transactional network backbone without relying on a central authority. On the blockchain network, the peers create transactions, collaborate on transactions, validate and verify the transaction… Read more »

Anatomy of the Blockchain and understanding “Proof-of-Work”

We keep hearing the hype about Blockchain particularly its guarantee for securely providing tamper-resistant immutable record keeping. What it basically means that Blockchain records every transaction on the network, whether it is a single transaction of a payment or multi-step transaction of a workflow — Each transaction is represented as a block. Typically, the resulting blockchain ledger will be represented… Read more »