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Blockchain adds a variance called nonce te each block. This nonce is like a salt added to the contents of a block. Due to the introduction of nonce, the hash output of the contents of the block will switch.

The puzzle that miners solve is to identify the value of nonce so that the hash output of the block being mined starts with a specific number of leading zeroes. Continue reading

TWO major digital currency exchanges have crashed amid warnings of cyber attacks.

Coinbase and Bitfinex experienced technical difficulties yesterday

Cryptocurrency exchanges Coinbase and Bitfinex both suffered outages yesterday with a message reading &ldquo,service unavailable&rdquo, warning users of the problems. Continue reading