Nakamoto Consensus to Accelerate Supervised Classification Algorithms for Multiparty Computing

Table 1

Works with off-chain smart contracts.

Works	Consensus mechanism	Platform	Environment	Privacy-preserving?	Computing-intensive tasks oriented?
[32]	Tangle	IOTA	Untrusted environment	Not mentioned	Not mentioned
[34]	Consensus-agnostic	Ethereum and other blockchains	Untrusted environment	High	No
[17]	Proof of correctness	Bitcoin	Trusted execution environment	High	No
[33]	Consensus-agnostic	Ekiden	Trusted execution environment	High	No
[37]	Consensus-agnostic	Arbitrum	Trusted execution environment	High	No
[38]	PoW	Lightning Network	Trusted execution environment	High	No
Ours	PoP	Bitcoin	Untrusted environment	High	Yes