Curious. What cryptocurrency has implemented sharding successfully, and how does transfer of value happen between shards?
https://bitcointalk.org/index.php?topic=5109561None has implemented it though, otherwise BTLightning would have already crashed.
Because what I want to know is, if miners/stakers are required to have all the shards, or trust their peers for the integrity of each shard?
Miners mine all shards, users verify few, one or none.