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  • bitcoin privacy

    Bitcoin privacy: what we should know

    di Massimo Musumeci
  • segwit segregated witness bitcoin

    Bitcoin segregated witness explanation

    di Massimo Musumeci
  • setting bip39 passphrase ledger nano

    Setting passphrase BIP39 ledger nano

    di Massimo Musumeci

Competition and security on Bitcoin network

competition security bitcoin network
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...
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Cryptocurrencies bitcoin, blockchain, consensus, mining Leave a Comment

Can Bitcoin be forged?

can bitcoin be forged
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...
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Cryptocurrencies bitcoin, forge, inputs, mining, outputs, transaction, utxo Leave a Comment

The future of Bitcoin is Bitcoin. Why?

future of bitcoin
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 Bitcoin is obsolete.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...
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Cryptocurrencies bitcoin, blockchain, crypto, cryptocurrencies, lightning network Leave a Comment

Bitcoin Full nodes vs SPV nodes

bitcoin full node spv node
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...
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Cryptocurrencies bitcoin, blockchain, cryptocurrencies, full node, spv node, verification Leave a Comment

Bitcoin: dissecting block header

bitcoin block header hash
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...
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Cryptocurrencies, General bitcoin, block, blockchain, hash, header Leave a Comment

Introduction to digital signature in Bitcoin

bitcoin digital signature
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...
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General Leave a Comment
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Recent Posts

  • Competition and security on Bitcoin network
  • Can Bitcoin be forged?
  • The future of Bitcoin is Bitcoin. Why?
  • Bitcoin Full nodes vs SPV nodes
  • Bitcoin: dissecting block header

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Dr. Massimo Musumeci Cloud & Crypto Researcher CH-2000 Neuchâtel, Switzerland
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