Blockchain

View our 2018 and 2019 listing of information security (infosec) / cyber security training courses, events and conferences from around the world that are associated with Blockchain.

Blockchain is a critical part of the bitcoin peer-to-peer payment system. The bitcoin system works using a ledger to record transactions. Bitcoin is a global cryptocurrency that can be used as a medium of exchange. However, while many parties have started to accept bitcoin as a currency, it is still controversial and poses risks in terms of security and stability.

The ledger helps to provide transparency for transactions. Although many bitcoin transactions are in some ways anonymous, the ledger can link individuals and companies to bitcoin purchases and ownership by allowing individual parties, called miners, to process payments and verify transactions. Rather than a central company presiding over the use of bitcoin, these blockchain originators serve central roles in the management and administration of this alternative currency system.

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