c-kzg - a library for poylynomial commitments and data recovery for use in Eth sharding.
Explainers
BLS12-381 for the Rest of Us, a (moderately) accessible description of elliptic curve construction, focusing on BLS12-381. There's a lot in there! (An endorsement, and referenced in footnote 1 of this paper by Jens Groth.)
An explainer and toy example of the data recovery scheme we plan to use in Eth2.