ETH2.0: Crosslink
Protocol
History
Cross-links between main chain and shards
2018.4
Two ways to do cross-links
2018.5
On-chain aggregation vs off-chain aggregation
A proposal for structuring committees, cross-links, etc
2018.6
Committee-based sharded Casper
2018.6
Spec
History
Concrete proposals for what data gets committed to in a crosslink #529
Options for crosslink data #1304