ZeroLink is a wallet privacy framework, that makes sure a round based mixing technique (like CoinShuffle + +, TumbleBit's Classic Tumbler Mode or Chaumian CoinJoin) won't be deanonymized due to other means, like network analysis, or examining transaction chains. (getrevue.co)
Now, you can sign transactions independently of transaction identification, so you can construct these very long transaction chains and make it so that the order they get signed in doesn't matter.» (bitcoinmagazine.com)
Created this week when a group of miners broke away rom the main bitcoin blockchain, proponents of Bitcoin Cash switched to a new, incompatible software that changed the network's rules, creating two distinct transaction chains. (coindesk.com)