This episode marks number 5 within our journey to explore all realms that Ergo offers – and as usual aims to leave no stone unturned.For today’s show we have exclusive company, Dionysis Zindros, to assist us in explaining the technical landscape of Non-Interactive Proofs of Proof-of-Work, to which are more commonly abbreviated as NiPoPoWs.Dionysis takes a diligent approach for the Ergo Cast with an elaborate rundown of what Non-Interactive Proofs of Proof-of-Work truly are. Furthermore, Dionysis evaluates the operation, implementation, as well as impact that his primitive delivers upon. Furthermore, we unveil a brand-new piece of research that -as of yet- has never been shared publicly: log-space mining.Sit back, relax, and be prepared to absorb a thorough discussion upon a pinnacle of blockchain technology.

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Introduction & Greeting

Skip To #00:12

Thoughts Upon Ergo

Skip To #03:10

Motivations for NiPoPoWs

Skip To #04:24

What is a Proof, for a Proof of Work?

Skip To #05:39

Proof Size & Suitability

Skip To #07:35

Superblocks

Skip To #09:10

Blockchain Sampling

Skip To #14:02

Applicability in Proof of Stake

Skip To #15:55

Hybrid Consensus Models

Skip To #19:59

Advantages of NiPoPoW over PoPoS

Skip To #23:30

Cross-Chain Communication

Skip To #25:40

Are NiPoPoWs Fungible?

Skip To #30:10

The FlyClient Primitive

Skip To #36:19

Logarithmic-Space Mining

Skip To #40:47

Further Sampling Methods

Skip To #45:04

Looking at Velvet Forks

Skip To #50:48

What About Sidechains?

Skip To #56:19

Operation of Interoperability

Skip To #60:52

Cross-Chain ICOs & Dapps

Skip To #64:42

Future of Interoperability

Skip To #69:39

Trustless Oracles

Skip To #72:40

Closure & Outro

Skip To #74:26

Exploration

Some of the pieces linked below are research-heavy and may seem daunting to venture through. However, reading only the abstract & glancing at a handful of chapters across all papers will add comfortability within deeper topics and assists in a thorough understanding of what we discussed in today’s episode.

Non-Interactive Proofs of Proof-of-WorkNon-Interactive Proofs of Proof-of-Work Technical PaperErgo’s Consensus ProtocolThe Extended UTXO ModelSimplified Payment Verification (SPV)Generic Superlight Clients for Permissionless BlockchainsA Gas-Efficient Superlight Bitcoin Client in SolidityCompact Storage of Superblocks for NiPoPoW ApplicationsGrinding Attack (Precomputation Attack/Randomness Buying Attack) [Page 3]Coda: Decentralized Cryptocurrency at ScaleTwinsCoin: A Cryptocurrency via Proof-of-Work and Proof-of-StakeFlyClient – Super-Light Clients for CryptocurrenciesWhat are zk-SNARKs?What are zk-STARKs?What are Merkle Trees?A Wild Velvet Fork Appears: Inclusive Blockchain Protocol Changes in PracticeProof-of-Stake SidechainsProof-of-Work SidechainsSmart Contract Derivatives

Enrichment

Bulletproofs: Short Proofs for Confidential Transactions and MoreBulletproofs+: Shorter Proofs for Privacy-Enhanced Distributed LedgerChain InteroperabilityProofs of Proofs-of-Work with Sublinear ComplexityStake-Bleeding Attacks on Proof-of-Stake BlockchainsEverything is a Race and Nakamoto Always WinsProofs of Proofs-of-Work GitHub Repository

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