Competition is a key factor to make the network secure. What do we mean when we speak about competition on the bitcoin network? Infact we all know that bitcoin consensus is made in such a way to gracefully force...
One of the most asked questions and worry is about the possibility to forge bitcoin. What does this mean exactly? Basically this means: is it possible to create a Bitcoin (or a fraction, better a coin) from the thin...
Many people are often asking about the future of bitcoin. They say: ok bitcoin is a good start but there are many other cryptocurrencies which are more efficient, faster, etc. Bitcoin is obsolete. But is this really true? Frankly...
What are the differences between a bitcoin full node and a SPV node (simplified payment verification node)? Full nodes Full nodes keep a complete copy of all the bitcoin blockchain with all the transactions. This copy is built by...
Bitcoin miners technically must find a blockhash which satisfies the requirements of the protocol. So it can be really very interesting to check a block header of an already mined block and manually calculate the hash to see what...
Digital signature is used in Bitcoin to provide a proof that you own the private key without having to reveal it (so proves that you are authorized to spend the associated funds). The digital signature, additionally, makes sure that...