ELI5 Proof of Stake (PoS) – How does PoS work?
In the cryptocurrency universe, Proof of Stake (PoS) is one of the most popular alternatives to the Proof of Work (PoW) family of consensus mechanisms. While PoW systems invest large amounts of energy to make sure transactions are legit, PoS does not require mining hardware. Proof of Stake “miners” (stakers) must lock a financial stake […]
Introduction to our commented Bitcoin source code section
Below you’ll find the main commented Bitcoin source code sections (sorted by section name and filename). Core amount.h – Defines the CAmount typedef, implements minimum and maximum valid amount range check. base58.cpp – The encoding function used for Bitcoin addresses. Base58 removes some potentially ambiguous characters from Base64 so Bitcoin addresses can be written down […]
2017 Bitcoin and Altcoin Hacks [Part 9]
This article is part of our complete guide to Bitcoin and altcoin hacks. Here we cover Bitcoin and altcoin security incidents from the year 2017. BitGrail In late 2017, Italian cryptocurrency exchange BitGrail was hacked and 2.5 million NANO were stolen. Initially, the exchange reported the issue as a “maintenance”: XRB withdrawals will be enabled […]
ELI5 PSBT – Partially Signed Bitcoin Transactions
Trustless operation is one of the key concepts behind cryptocurrencies. The idea is that you should not have to personally meet, or trust your peers, in order to perform successful transactions. Experienced crypto users may take this concept for granted, but come to think of it – every real world transaction before cryptocurrencies came about […]