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Since 2008, when the Bitcoin was invented, there has been discussions about cryptocurrency security. Cryptocurrencies are kept in digital wallets and you can access them by having a private key to…

Cryptography is essential for the security of our digital world. Blockchain technology uses a wide range of cryptographic techniques. To be able to understand it, you need to understand the basics of…

Continuing the series on hosting your own testnets, I'll go into details on how to setup a custom Ethereum testnet and why you would want to do that in the first place. If you haven't read the…

When Bitcoin was first created in 2008, exchange of coins occurred between cypherpunks that used to mine them. Back then, mining bitcoins was simple since energy costs and the hardware required could…

Sometimes the technical specification of chosen blockchain doesn’t align with the needs of our project - the waiting time for the confirmation of a block might be too big or it can be too expensive to…