The aim of the project is to develop a mechanism that will create lastwill contracts not only for ETH owners, but also for other crypto-currencies. First of all, for BTC.It's cool that the guys want to combine the 2 largest cryptocurrencies, I believe that the team will succeed!
There is no doubt that Bitcoin and Ethereum are the leading cryptocurrencies. The focus on smart contracts of large players in the market is the right position.