SpaceChains & El Salvador - Advancing Bitcoin satelite event.

Taking advantage of the fact that [Advancing Bitcoin](https://www.advancingbitcoin.com/) is happening, we decided to get some guests that we would not usually find in London. We will have to very different but equally interesting talks: **1\. SpaceChains with Ruben Somsen** Ever since 2011, there have been numerous attempts to create assets that have trade-offs but still maintain the magic proprieties of Bitcoin. Instead, we ended up with a lot of alternative chains that are detached from Bitcoi…