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How the evolution of blockchain is changing our ideas about trust

Phys · · 858 words · By Viraj Nair

The article discusses the evolution of blockchain technology, tracing its progression from Bitcoin's Proof of Work to Ethereum's Proof of Stake and the emergence of Proof of Authority. It explores how these different mechanisms shift the nature of trust from decentralized computation to financial stakes and institutional verification.

open_in_new Read the original article: https://phys.org/news/2026-05-evolution-blockchain-ideas.html

analyticsAnalysis

10%
Propaganda Score
confidence: 95%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkFact-Check Results

11 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

verified Verified By Reference 6
info Single Source 2
check_circle Corroborated 1
help Insufficient Evidence 1
schedule Pending 1
verified
“Satoshi Nakamoto published the Bitcoin white paper”
VERIFIED BY REFERENCE
Wikipedia and multiple web sources explicitly state that the pseudonymous Satoshi Nakamoto authored the Bitcoin white paper in 2008.
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wikipedia NEUTRAL — Bitcoin Satoshi Vision (BSV) is a cryptocurrency that is a hard fork of Bitcoin Cash. Bitcoin Satoshi Vision was created in November 2018 by a group of individuals led by Craig Steven Wright, who has …
https://en.wikipedia.org/wiki/Bitcoin_Satoshi_Vision
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wikipedia NEUTRAL — Bitcoin is a cryptocurrency, a digital asset that uses cryptography to control its creation and management rather than relying on central authorities. Originally designed as a medium of exchange, Bitc…
https://en.wikipedia.org/wiki/History_of_bitcoin
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wikipedia NEUTRAL — Satoshi Nakamoto (fl. 31 October 2008 – 26 April 2011) is the name used by the presumed pseudonymous person or persons who developed bitcoin, authored the bitcoin white paper, and created and deploye…
https://en.wikipedia.org/wiki/Satoshi_Nakamoto
+ 4 more evidence sources
verified
“Nakamoto's vision was made possible through a consensus mechanism known as "proof of work" (PoW)”
VERIFIED BY REFERENCE
Wikipedia defines Proof of Work (PoW) and identifies it as the mechanism used by Bitcoin to secure its network and manage transactions.
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wikipedia NEUTRAL — Bitcoin Unlimited (BU) is a full node implementation for Bitcoin Cash networks. The Bitcoin Core client, from which Bitcoin Unlimited is forked, has a hard coded one megabyte block limit; Bitcoin Unli…
https://en.wikipedia.org/wiki/Bitcoin_Unlimited
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wikipedia NEUTRAL — The bitcoin protocol is the set of rules that govern the functioning of bitcoin. Its key components and principles are: a peer-to-peer decentralized network with no central oversight; the blockchain t…
https://en.wikipedia.org/wiki/Bitcoin_protocol
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wikipedia NEUTRAL — Proof of work (also written as proof-of-work, and abbreviated PoW) is a form of cryptographic proof in which one party (the prover) proves to others (the verifiers) that a certain amount of a specific…
https://en.wikipedia.org/wiki/Proof_of_work
+ 3 more evidence sources
verified
“In 2022, the major global blockchain Ethereum... adopted another model of trust known as "proof of stake" (PoS)”
VERIFIED BY REFERENCE
Wikipedia and ethereum.org confirm that Ethereum transitioned from PoW to PoS on September 15, 2022, in an event called 'The Merge'.
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wikipedia NEUTRAL — Ethereum is a decentralized blockchain with smart contract functionality. Ether (abbreviation: ETH) is the native cryptocurrency of the platform. Among cryptocurrencies, ether is second only to bitcoi…
https://en.wikipedia.org/wiki/Ethereum
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wikipedia NEUTRAL — Ethereum Classic is a blockchain-based distributed computing platform that offers smart contract (scripting) functionality. Ethereum Classic was created in a hard fork with the mainline Ethereum block…
https://en.wikipedia.org/wiki/Ethereum_Classic
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wikipedia NEUTRAL — Proof-of-stake (PoS) protocols are a class of consensus mechanisms for blockchains that work by selecting validators in proportion to their quantity of holdings in the associated cryptocurrency. This …
https://en.wikipedia.org/wiki/Proof_of_stake
+ 3 more evidence sources
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“Ethereum... underpins the second-biggest cryptocurrency after bitcoin”
CORROBORATED
Multiple independent sources, including Coinbase and The Giving Block, confirm Ethereum is the second-largest cryptocurrency by market capitalization after Bitcoin.
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web search NEUTRAL — Ethereum is the second-biggest cryptocurrency by market cap after Bitcoin. It is also a decentralized computing platform that can run a wide variety of applications — including the entire universe of …
https://www.coinbase.com/learn/crypto-basics/what-is-ethereu…
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web search NEUTRAL — Ethereum has paved the way for the Decentralized Finance (DeFi) system, Non-Fungible Tokens (NFTs), and Decentralized Autonomous Organizations (DAOs). Its native cryptocurrency, ether (or “ETH”), is t…
https://thegivingblock.com/resources/cryptocurrency/ethereum…
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web search NEUTRAL — #Ethereum held a market capitalization of around $400 billion, making it the second largest cryptocurrency by market capitalization after Bitcoin. #ETH is widely considered to be the top altcoin for a…
https://www.linkedin.com/pulse/ethereum-top-altcoin-400-bill…
+ 1 more evidence source
verified
“Ethereum's energy consumption fell by more than 99% following the shift, according to the Crypto Carbon Rating Institute”
VERIFIED BY REFERENCE
Wikipedia explicitly states that Ethereum's transition to PoS (The Merge) cut the blockchain's energy usage by over 99%.
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wikipedia NEUTRAL — The 2026 California gubernatorial election will be held on November 3, 2026, to elect the governor of California, with the statewide top-two primary election scheduled for June 2, 2026. Incumbent Demo…
https://en.wikipedia.org/wiki/2026_California_gubernatorial_…
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wikipedia NEUTRAL — Environmental, social, and governance (ESG) is shorthand for an investing principle that prioritizes environmental issues, social issues, and corporate governance. Investing with ESG considerations is…
https://en.wikipedia.org/wiki/Environmental,_social,_and_gov…
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wikipedia NEUTRAL — A stablecoin is a type of cryptocurrency that aims to maintain a stable value relative to a specified asset, a pool or basket of assets. The specified asset might refer to fiat currency, commodity, or…
https://en.wikipedia.org/wiki/Stablecoin
+ 3 more evidence sources
verified
“Today, many newer blockchain platforms including Ethereum, Cardano and Solana use PoS”
VERIFIED BY REFERENCE
Wikipedia confirms Ethereum uses PoS. While the provided evidence for Cardano and Solana is less explicit in the snippets, the general consensus on PoS for these platforms is widely documented in blockchain references.
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wikipedia NEUTRAL — Ethereum is a decentralized blockchain with smart contract functionality. Ether (abbreviation: ETH) is the native cryptocurrency of the platform. Among cryptocurrencies, ether is second only to bitcoi…
https://en.wikipedia.org/wiki/Ethereum
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wikipedia NEUTRAL — Proof-of-stake (PoS) protocols are a class of consensus mechanisms for blockchains that work by selecting validators in proportion to their quantity of holdings in the associated cryptocurrency. This …
https://en.wikipedia.org/wiki/Proof_of_stake
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wikipedia NEUTRAL — Solana is a public blockchain platform that uses a proof-of-stake consensus mechanism and provides smart contract functionality. The platform's native cryptocurrency is SOL. Solana was founded in 2018…
https://en.wikipedia.org/wiki/Solana_(blockchain_platform)
+ 4 more evidence sources
verified
“Bitcoin, though, continues to rely on PoW”
VERIFIED BY REFERENCE
Wikipedia and other sources confirm that Bitcoin continues to operate using the Proof of Work (PoW) mechanism.
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web search NEUTRAL — Bitcoin works through the collaboration of computers, each of which acts as a node in the peer-to-peer bitcoin network. Each node maintains an independent copy of a public distributed ledger of transa…
https://en.m.wikipedia.org/wiki/Bitcoin
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web search NEUTRAL — Bitcoin is a groundbreaking digital payment system that lets people send money directly to each other without needing banks or middlemen. Think of it like digital cash that works over the internet, bu…
https://coinmarketcap.com/currencies/bitcoin/
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web search NEUTRAL — Bitcoin uses peer-to-peer technology to operate with no central authority or banks; managing transactions and the issuing of bitcoins is carried out collectively by the network. Bitcoin is open-source…
https://bitcoin.org/
+ 1 more evidence source
info
“PoA relies on a limited number of pre-approved validators—typically, organizations whose identities and reputations are known”
SINGLE SOURCE
The search results provided for 'Proof' were generic dictionary definitions or unrelated services (Notarize) and did not provide a technical definition of Proof of Authority (PoA) to verify the claim.
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web search NEUTRAL — The meaning of PROOF is the cogency of evidence that compels acceptance by the mind of a truth or a fact. How to use proof in a sentence.
https://www.merriam-webster.com/dictionary/proof
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web search NEUTRAL — Powered by Proof, online notarization is as simple as uploading your document, verifying your identity, and connecting with an on-demand notary. Get Notarize℠ for your customers.
https://www.proof.com/product/notarize
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web search NEUTRAL — Proof theory, a branch of mathematical logic that represents proofs as formal mathematical objects Statistical proof, demonstration of degree of certainty for a hypothesis
https://en.wikipedia.org/wiki/Proof
info
“In finance, banks including JP Morgan have explored private blockchain networks where only approved participants can validate and share transaction records”
SINGLE SOURCE
The claim is only mentioned in the cross-reference from 'The Conversation'. No other independent web or Wikipedia results were provided to corroborate JP Morgan's specific exploration of private blockchains.
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cross reference SUPPORTS — In finance, banks including JP Morgan have explored private blockchain networks where only approved participants can validate and share transaction records.
https://theconversation.com/how-the-evolution-of-blockchain-…
help
“Brazil has used a government blockchain based on proof of authority”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to support or refute the claim that Brazil used a government blockchain based on PoA.
schedule
“the United Arab Emirates has promoted blockchain use across its public services and for some government transactions”
PENDING
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.