Author: Zak Cole

Blockchain For Networking

Blockchain, also referred to as distributed ledger, is the concept behind the success of Bitcoin and provides a dynamic digital register of transactions. Think of it as a database that’s distributed throughout a network. Information is continually shared and reconciled throughout multiple nodes and each one has an identical copy of the database. Transactions within this database are audited and agreed upon by consensus. This decentralized method of keeping track of changes ensures the ledger can’t be practically controlled by any one entity, eliminates the possibility of single-points of failure, and allows for the verification of transactions without the need for...

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Bitcoin Mining Difficulty

The heart of Bitcoin is the blockchain. This distributed ledger system is a dynamic and decentralized database that contains a list of all the Bitcoin transactions that have ever taken place. The list is continually updated with every new transaction that occurs and groups of transactions are built into small, chronological bundles called blocks. A transaction can’t be changed once it’s added to the list and it’s shared and stored on a massive network of devices called nodes. Node Diggity, Node Doubt Nodes maintain the database and validate transactions. When a transaction occurs, it’s broadcast from one node to...

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