Investigate whether erasure codes can help data availability on plasma

[boolafish]

As title.

[EDIT: got several new links from PG telegram channel, seems like there is actually way to do compact erasure code proof (?)] Related Reads:

• https://github.com/ethereum/research/wiki/A-note-on-data-availability-and-erasure-coding
• https://ethresear.ch/t/a-data-availability-blockchain-with-sub-linear-full-block-validation/5503
• https://ethresear.ch/t/towards-on-chain-non-interactive-data-availability-proofs/4602
• https://twitter.com/VitalikButerin/status/1130799679439028224
• https://twitter.com/musalbas/status/1130874292244221953?s=19