Articles of Double Flower

The Bitcoin White Paper, released in 2008, shows the world the first fully functional P2P cash transaction system. In 2009, the father of the mysterious bitcoin, Nakamoto, released the first bitcoin client at SourceForge. Bitcoin was officially born, and a new special adventure kicked off. The core of Bitcoin's success is the resolution of double-spending, […]

In the last issue , we talked about ways to prevent new honest transactions from being confirmed by “balanced attacks” on the most heavy chain rules. In this issue, we will talk about another attack method, which we call " segmentation attack . " This type of attack has not been publicly mentioned elsewhere, and […]

For now, Decred's ability to resist double-flower attacks is not as good as Bitcoin. An effective double-strike attack on the Bitcoin blockchain will cost at least $1.6 billion in new hardware to succeed. The effective double-flower attack on Decred cost only $152.7 million in hardware and ballot (PoS) costs. Therefore, the cost of performing a […]