Giáo trìnhConsensus layer
Gasper
Giao thức đồng thuận Gasper - kết hợp Casper FFG và LMD-GHOST
LMD GHOST (Latest Message Driven - Greediest Heaviest Observed SubTree)
- What is lmd-ghost
- How subtree is selected
- fork-choice
- protocol
Casper FFG (Friendly Finality Gadget)
-
justified chain
-
checkpoints and finality
-
gst, gat, synchronised
-
Hybrid Fork-choice (Refer pos-evolution in ethereum post/book) Possible attacks
-
simple ex-ante reorg
-
weighted proposer boost
Solutions:
- view-merge strategy