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What is a Blockchain?

A blockchain,[1][2][3] originally block chain,[4][5] is a growing list of records, called blocks, that are linked using cryptography.[1][6] Each block contains a cryptographic hash of the previous block,[6] a timestamp, and transaction data (generally represented as a Merkle tree).

By design, a blockchain is resistant to modification of the data. It is “an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way”.[7] For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for inter-node communication and validating new blocks. Once recorded, the data in any given block cannot be altered retroactively without alteration of all subsequent blocks, which requires consensus of the network majority. Although blockchain records are not unalterable, blockchains may be considered secure by design and exemplify a distributed computing system with high Byzantine fault tolerance. Decentralized consensus has therefore been claimed with a blockchain.[8]

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What are the benefits of using a Blockchain?

Blockchain technology is a natural evolution of the mass-connected Internet technology, as a means to clean up any current tendencies for the Internet’s malevolent use which, as it is now, enable corruption, misrepresentation and personal surveillance.

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What is the unique, value-added proposition for SecureX?

When combined, the dual business cases, the depth and future opportunities of the domains, and the currently hot markets for a foreign IEO are the unique value adds of this opportunity.

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What is the Ethereum Blockchain?

Ethereum is an open source, public, blockchain-based distributed computing platform and operating system featuring smart contract (scripting) functionality. It supports a modified version of Nakamoto consensus via transaction-based state transitions.

Ether is the cryptocurrency generated by the Ethereum platform as a reward to mining nodes for computations performed and is the only currency accepted in the payment of transaction fees.[1]

Ethereum provides a decentralized virtual machine, the Ethereum Virtual Machine (EVM), which can execute scripts using an international network of public nodes.[2] The virtual machine’s instruction set, in contrast to others like Bitcoin Script, is Turing-complete. “Gas”, an internal transaction pricing mechanism, is used to mitigate spam and allocate resources on the network.[2]

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