про атаку 51% на ETC уж очень все просто можно ведь и подумать кто стоит за данной атакой, ведь в белой бумаге ETCV так и написано: 4. Security. It is often stated that PoW is safer than PoW, since it would require a
successful attack on 51% of all nodes to hack a blockchain, which seems impossible (or
at least economically unjustified). However, one needs to keep in mind that for small
projects that have only just launched 51% of all nodes can be a small number. In fact, it
can cost less than a thousand dollars to hack a smaller blockchain network (which was
amply demonstrated by the 51% attack on Bitcoin Gold, when $18 million was stolen).
In this context, PoS offers equal security to projects of all sizes, since block validators
lose their deposits if they break the rules or act maliciously.