Bitcoin is a decentralized digital currency that you can buy, sell and exchange directly, without an intermediary like a bank. Bitcoinâs creator, Satoshi Nakamoto, originally described the need for âan electronic payment system based on cryptographic proof instead of trust.â Each and every Bitcoin transaction thatâs ever been made exists on a public ledger accessible to everyone, making transactions hard to reverse and difficult to fake. Thatâs by design: Core to their decentralized nature, Bitcoins arenât backed by the government or any issuing institution, and thereâs nothing to guarantee their value besides the proof baked in the heart of the system. âThe reason why itâs worth money is simply because we, as people, decided it has valueâsame as gold,â says Anton Mozgovoy, co-founder & CEO of digital financial service company Holyheld.
In many cases, the content resembled that of the marketplaces found on the dark web, a group of hidden websites that are popular among hackers and accessed using specific anonymising software.âWe have recently been witnessing a 100 per cent-plus rise in Telegram usage by cybercriminals,â said Tal Samra, cyber threat analyst at Cyberint.The rise in nefarious activity comes as users flocked to the encrypted chat app earlier this year after changes to the privacy policy of Facebook-owned rival WhatsApp prompted many to seek out alternatives.Machine learning books and papers from us
