Zcash launched on Friday, October 28th. Mining for ZEC started low but over the weekend, drew mining power away from ETH and toward ZEC. Nonetheless, it does not appear to have induced significant amounts of net new mining activity.
A fundamental limitation of Bitcoin and its variants is that the movement of coin between addresses can be observed by examining the public block chain. This record enables ad- versaries to link addresses to individuals, and to identify multiple addresses as belonging to a single participant. Users can try to hide this information by mixing, […]
We describe how secure multi-party sorting can serve as the basis for a Bitcoin anonymization protocol which improves over current centralized mixing designs.