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Compare (, Ethereum, LiteCoin, alt-coins) on value, market cap and supply.
https://en.wikipedia.org/wiki/Crypto
https://en.wikipedia.org/wiki/Cryptocurrency
https://en.wikipedia.org/wiki/Cryptography
https://en.wikipedia.org/wiki/Cryptographic_hash_function
https://en.wikipedia.org/wiki/Cryptanalysis
Trading Crypto Currency by Bitcoin Mining Hardware