Series: Zero to Zero Knowledge
Zero to Zero Knowledge trɔ gbɔ kple nyati yeye aɖe! Kwasiɖa sia me la, míedzro Trusted Execution Environments (TEEs) - alesi wozãa wo le adzame gakuwo kple blockchain dɔ bubuwo me.
Blockchains kple TEEs ƒe ŋusẽwo kpena ɖe wo nɔewo ŋu ŋutɔ:
Woate ŋu awɔ ɖoɖo sẽŋu siwo akpɔ ame ŋutɔ ƒe nyatakakawo ta.
Secret Network zãa TEE mɔ̃ɖaŋununya (vevietɔ Intel SGX) tsɔ wɔa akɔntabubu le nya ɣaɣlawo tsɔtsɔ de eme, nusiwo dona, kple nɔnɔme dzi.
Validator node ɖesiaɖe zãa Intel SGX chips. Woƒo nusiwo dzi woda asi ɖo kple akɔntabubu ƒe ƒuƒoƒoawo nu ƒu:
Esia to vovo na Zcash, si zãa sidzedze zero-kpeɖodzi hena ame ŋutɔ ƒe nyawo tsɔtsɔ aɣla. Le Zcash me la, woɖea gbeƒã adzɔnuwɔna siwo wokpɔ ta na eye woɖoa kpe wo dzi le dutoƒo eye womeɖea nyatakaka bubu aɖeke fiana na network la o. Zcash Shielded Assets hã zɔna ɖe gɔmeɖose ma ke dzi.
Ne èdi numeɖeɖe tsitotsito tso alesi wowɔa TEEwo ŋudɔ le Secret Network dzi ŋu la, xlẽ nyati nyui sia si @l_woetzel ŋlɔ: https://carter-woetzel.medium.com/secret-network-tees-lets-talk-fud-vulnerability-33ca94b6df38
Adzɔge Ðaseɖiɖi nye ɖoɖo si wowɔna tsɔ ɖoa kpe edzi be enclave le dɔ wɔm le hardware nɔnɔme vavãtɔ si le dedie me.
Enaa mɔnukpɔkpɔ ame aɖe si le didiƒe be wòaɖo kpe edzi be:
Ame ŋutɔ ƒe asidede agbalẽ te kple ɖaseɖiɖi ƒe safui siwo womate ŋu akpɔ tso egodo o hã le enclaves me.
Esi wònye be enclavewo nye esiwo me nɔnɔme aɖeke mele o ta la, ele be woadzra nyatakakawo ɖo ɣeaɖewoɣi le gota le ŋkuɖodzinu si dzi womate ŋu aka ɖo o me.
Data Sealing tsɔa nyatakaka siwo le enclave la me ɣlana to safui si wokpɔ tso CPU me zazã me. Woateŋu aɖe mɔxenu si wotsɔ nya ɣaɣlawo ŋlɔ la le ɖoɖo ɖeka ma ke dzi ko.
Oasis Network hã zãa TEEwo to eƒe ParaTime ɣaɣla (e.g. Sapphire kple Cipher) dzi.
Nyatakaka siwo wotsɔ nya ɣaɣlawo ŋlɔ la gena ɖe TEE la me kpe ɖe smart contract la ŋu. Woɖea nya ɣaɣlawo me, wowɔa dɔ tso eŋu, eye wogbugbɔa nya ɣaɣlawo dea eme hafi dzona le enclave la me.
Proof-of-Stake blockchain geɖewo (siwo dome Secret kple Oasis hã le) zãa Tendermint abe woƒe nukpɔsusu ɖeka ƒe ɖoɖo ene.
Le PoS ƒe kpeɖodzinalawo gome la:
TEEs nyo ŋutɔ na validator keys wɔwɔ kple wo zazã dedie.
Zcash le numekuku wɔm vevie le ʋuʋu yi Proof-of-Stake ŋu.
Ka gbãtɔ si ZecHub (@ZecHub) ŋlɔ https://x.com/ZecHub/status/1633579659282587651
Woƒo axa sia nu ƒu tso Zero to Zero Knowledge ƒe ka gbãtɔ me na ZecHub wiki.