data-availability.md

data availability and erasure coding DAS (Data Availability Sampling) and erasure coding are the availability layer in bbg. they answer a question no other layer answers: is the data physically present across the device set? validity proves correctness. ordering proves sequence. completeness proves…

data availability bbg without data availability is incomplete. authenticated state means nothing if the data behind it cannot be retrieved. DAS (Data Availability Sampling) allows light clients to verify that block data is available without downloading the full block. 2D Reed-Solomon erasure coding…