I took a PhD course on blockchains and related consensus systems and yeah everything is a nightmare of power requirements and unclear mathematical rigor in a lot of instances (like Ethereums zero knowledge stuff has no actual published math backing it afaik). Same issue with the "privacy preserving" coins like Zcash and Monero, the math is just not there right now and all the developers just released their networks when they got VC funding.
Here's a recent paper that tries to analyze the security claims of several coins.
I mean to an extent the security claims are true, just not all of them are known to be and its not clear what modifications are required to prove the security properties they want. Monero is the most provably secure I think right now.
I took a PhD course on blockchains and related consensus systems and yeah everything is a nightmare of power requirements and unclear mathematical rigor in a lot of instances (like Ethereums zero knowledge stuff has no actual published math backing it afaik). Same issue with the "privacy preserving" coins like Zcash and Monero, the math is just not there right now and all the developers just released their networks when they got VC funding.
Here's a recent paper that tries to analyze the security claims of several coins.
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I mean to an extent the security claims are true, just not all of them are known to be and its not clear what modifications are required to prove the security properties they want. Monero is the most provably secure I think right now.