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 A recently resurfaced video shows Hal Finney discussing the possibility of zero-knowledge proofs at an annual cryptology conference in California some 25 years ago. 
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<div class="cointelegraph"> 
 Early Bitcoin (BTC) pioneer Hal Finney&nbsp;shared his vision for zero-knowledge proofs more than 25 years ago, a full decade before the launch of the first cryptocurrency, Bitcoin.&nbsp; 
 The video, purportedly from the Crypto ‘98 conference held on Aug. 26, 1998, in Santa Barbara, shows Finney discussing in detail, the concept of zero-knowledge <a rel="noopener noreferrer nofollow" title="proof" href="https://thebittimes.com/tag/proof.html">proof</a>s — a cryptographic technology that gained immense popularity decades later. 
 <blockquote class="twitter-tweet"> 
 ️ NEW: Bitcoin legend Hal Finney discusses Zero-Knowledge Proofs in a newly <a rel="noopener noreferrer nofollow" title="unearthed" href="https://thebittimes.com/tag/unearthed.html">unearthed</a> presentation, made 25 years ago at Crypto '98 in Santa Barbara. Have you ever heard @halfin's voice before? pic.twitter.com/HdddworTsg— Trust Machines (@trustmachinesco) September 20, 2023 
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 Finney explains how one could hypothetically perform a zero-knowledge proof on a SHA-1 hash, describing the possibility of sending a cryptographically encrypted claim without revealing any of the details contained within the same claim. 
 “I want to prove to you that I know a message that hashes to a given hash value using the SHA-1 hash. I don't want to reveal anything about the message to you. It's a zero-knowledge proof, and I've written a program to do this that I'll tell you about,” explained Finney. 
 A zero-knowledge (ZK) <a rel="noopener noreferrer nofollow" title="proof" href="https://thebittimes.com/tag/proof.html">proof</a> is a cryptographic protocol that enables one user (the prover) to convince another (the verifier) that a particular claim is true without disclosing any details about the claim itself. 
 At the time of Finney’s speech, zero-knowledge <a rel="noopener noreferrer nofollow" title="proof" href="https://thebittimes.com/tag/proof.html">proof</a>s were considered to be a possibility, but due to hardware limitations at the time were widely regarded, as Finney puts it: “inefficient or impractical.” 
 Related: Idealistic Ethereum community-built zkEVM Scroll launching in weeks 
 Decades later, the crypto industry is now abuzz with discussions and debates on how best to implement zero-knowledge proofs, with the main use of the technology being leveraged to scale the Ethereum network. 
 Finney is a storied <a rel="noopener noreferrer nofollow" title="pioneer" href="https://thebittimes.com/tag/pioneer.html">pioneer</a> of the cryptocurrency industry. He was a computer scientist who made some of the earliest contributors to privacy-enhancing technology, including the first fully anonymous re-mailer, a tool that protected user identity when sending emails. Additionally, Finney created the first reusable Proof of Work system, which preceded Bitcoin by nearly five years.&nbsp; 
 In 2009, Finney was the very first recipient of Bitcoin, after he was transferred 10 BTC by the cryptocurrency’s pseudonymous founder Satoshi Nakamoto, and was known to have worked closely with Nakamoto in Bitcoin's earliest days.&nbsp; 
 Some have speculated that Finney could be Satoshi Nakamoto himself, though he has denied the theory. 
 Finney was diagnosed with a rare neurological disease known as ALS, the complications of which would later claim his life in 2014. Finney was cryopreserved by the Alcor Life Extension Foundation in Arizona. 
 The video could be one of the first times that some people has been able to hear Finney’s voice, suggested TrustMachines on X. 
 Big Questions: What’s with all the crypto deaths? 
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Source: <a rel="noopener noreferrer nofollow" target="_blank" href="https://thebittimes.com/bitcoin-pioneer-hal-finney-talks-zk-proofs-in-25-year-old-unearthed-footage-tbt63461.html">https://thebittimes.com/bitcoin-pioneer-hal-finney-talks-zk-proofs-in-25-year-old-unearthed-footage-tbt63461.html</a>

Bitcoin pioneer Hal Finney talks zk proofs in 25-year-old unearthed footage

TheBitTimes

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