btc/usd
-3.57%71,391.00
eth/usd
-1.95%2,017.39
ltc/usd
-0.41%50.030
xmr/usd
-5.10%551.790
xrp/usd
-1.11%1.04100

Jose Contreras

Jose Contreras
Author | Blockchain Programming. Mathematician, an expert in information security and cryptography. I have advanced knowledge of cryptography. In recent times I have had a growing interest in the Blockchain and have developed some projects in this area. My main focus has been on Ethereum and the development of smart contracts. I know the programming languages Python, C ++, Solidity, and Javascript.

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