Title: A peer-to-peer time stamping service without proof-of-work Post by: tnxgrid on September 11, 2014, 05:51:50 PM http://txngrid.com/txngrid.pdf (http://txngrid.com/txngrid.pdf) Proposal for securing blockchain without resorting to computing power.
The blockchain is double linked by the block hash and the voter signatures. The probability of attack is very low no matter how far the attackers go back in history. It can take 10,000 years for attackers to be successful even they control 50% of the voting power. |