The Blockchain Security Debate
Recently, a massive wave of articles has been discussing the question whether Bitcoin was using too much electricity to be…
Strength in Numbers: a Brief History of 51% Attacks
Ever since the first decentralized blockchain-based cryptocurrency (Bitcoin), there have been attempts at a network takeover, termed a “51% attack.”…
Evil ISPs can disrupt Communication between Bitcoin Nodes
ETH Zurich scientific and technical researchers are working with Aviv Zohar (from the Hebrew University in Israel) to underscore attacks…
