Idle thought: ~30 shipping containers full of 512GB microSD cards could store all of the world's data.https://twitter.com/marcan42/status/1005721534533550081?s=19 …
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It's a very exciting topic and if you know about good papers treating about error correction for DNA storage I'll be interested to read them
I don't know anything specific to DNA, but in general look up things like Reed-Solomon and Shingled Erasure Codes. These techniques are fairly agnostic to the actual underlying storage mechanism. They're used in everything from CDs to cluster storage to satellite comms.
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This kind of approach is unlikely to evolve in nature, because it's basically complex mathematics, but it's trivial to do once you put a computer in front of the storage. So you don't have to worry too much about the specifities of DNA storage.
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The same goes for bias. Transmission and storage mechanisms already have this problem, and the solution is whitening, which is basically scrambling the data to be statistically uniform, thus avoiding any excess incidence of biased sequences.
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