Topic: Crypto · Type: Evergreen · Reading time: ~8 min

The people who were loudest about Web3 in 2021 have mostly gone quiet. The NFT market collapsed. The metaverse land rush turned out to be buying nothing. Several high-profile "decentralised" projects turned out to be centralised companies with a token bolted on.

So it would be reasonable to conclude that Web3 was a collective delusion. Except the infrastructure never stopped being built. And now that the speculators have left, what remains is actually worth understanding — especially if you're thinking about where technology and money intersect over the next decade.

What Web3 actually means (without the manifesto)

Web3 is a term with a branding problem. It got attached to too many things simultaneously: crypto speculation, NFT art, DAO governance experiments, and metaverse real estate. When those things crashed, the word crashed with them.

Strip it back and the underlying concept is narrower and more practical. Web3 refers to applications built on blockchains that allow users to own assets and transact without relying on a central company to hold or verify anything. The core technologies are: smart contracts (code that executes automatically when conditions are met), tokens (programmable representations of value or ownership), and decentralised storage (files that don't disappear if a single company shuts down).

None of this requires you to believe that banks will be abolished or that the metaverse will replace physical reality. It's a toolkit. The question worth asking is: which problems does that toolkit actually solve well?

Worth knowing: Web3 was coined in 2014 by Gavin Wood, one of Ethereum's co-founders. The original definition had nothing to do with NFTs — it described a web where services run on peer-to-peer networks rather than servers controlled by corporations.

The part that's genuinely working: DeFi as financial infrastructure

Decentralised finance is the most mature and — by the numbers — the most used application of Web3 technology. By the end of Q3 2025, DeFi protocols had a total value locked of $237 billion, the highest ever recorded. That's real capital sitting in smart contracts rather than bank vaults.

The core use cases are lending, borrowing, and trading. Platforms like Aave (over $25 billion TVL) let users deposit crypto as collateral and borrow against it, with interest rates set algorithmically by supply and demand rather than a credit committee. Decentralised exchanges like Uniswap allow peer-to-peer crypto trading without a company holding your assets — and they now account for around 35% of global crypto trading volume, up from 20% two years ago.

For most people in developed countries with stable banking systems, this is a curiosity rather than a necessity. But consider what it means in a country with capital controls, a collapsing currency, or a banking system that excludes large parts of the population. The value of "anyone with an internet connection can access financial services" lands very differently in those contexts.

The honest caveat: DeFi also had over $3 billion in hacks and exploits across 2025. Smart contract bugs are the dominant attack vector, and there is no FDIC equivalent to make you whole. If you're exploring this space as an investor, understanding how crypto security works is not optional — it's the price of entry.

The bigger story: real-world assets moving on-chain

The development that matters most to traditional investors isn't DeFi's lending pools. It's the tokenisation of real-world assets — and the institutional money following it.

Tokenisation means representing a real-world asset (a government bond, a property, a private equity stake) as a token on a blockchain. The token carries ownership rights and can be bought, sold, or used as collateral 24 hours a day, with settlement in seconds rather than the standard T+2 days that traditional securities markets require.

Total value locked in real-world asset protocols hit $18 billion by October 2025 — and that figure excludes the $225 billion now sitting in fiat-backed stablecoins. Tokenised US Treasury bills alone surged 539% to $5.5 billion over the preceding twelve months, driven largely by institutional investors who want yield without the volatility of crypto.

The institutional involvement here is significant and worth taking seriously. JP Morgan tokenised a private equity fund on its own blockchain. Franklin Templeton announced a collaboration with Binance. The GENIUS Act, passed by the US Congress in July 2025, established a regulatory framework for stablecoins — the first time the US government has provided a legal roadmap for this category of asset. In the EU, MiCA regulation went live in December 2024, giving European investors clearer rules for the first time.

This is no longer a story about crypto companies trying to look legitimate. It's about traditional financial institutions deciding that blockchain infrastructure solves specific, expensive problems in settlement, custody, and asset transfer. That matters for how you think about building a portfolio with any crypto exposure.

The quiet revolution: supply chains and digital identity

Two Web3 use cases rarely appear in retail investor discussions — which is precisely why they're worth understanding.

Supply chain verification. Pharmaceutical track-and-trace is one of the most successful blockchain deployments most people have never heard of. The US Drug Supply Chain Security Act mandated an interoperable tracking system for prescription drugs. No single company would trust a centralised ledger run by a competitor. A shared blockchain — where every handoff from manufacturer to distributor to pharmacy is recorded immutably — solved the trust problem. MediLedger, built on an Ethereum-derived chain, has been in production since 2023 and by 2025 was processing a significant slice of US prescription drug distribution.

Similar logic applies to food provenance, luxury goods authentication, and cross-border trade finance. The blockchain in these cases is invisible to the end consumer. It's plumbing.

Decentralised identity. The current system of online identity is broken in ways we've normalised. You log in with Google or Facebook, surrendering behavioural data to a corporation that monetises it. Your credentials live on servers you don't control. When those services change their terms or get hacked, your identity is hostage to someone else's decisions.

Decentralised identifiers (DIDs) let users control their own credentials — storing identity data locally or on-chain, sharing only what's required for a specific interaction, and carrying that identity across platforms without starting from zero each time. Microsoft's ION project, built on Bitcoin, is one of the more credible implementations. The $49.5 billion projected market size for digital identity solutions by 2030 reflects how seriously enterprises are taking the problem.

What hasn't worked (and probably won't)

Intellectual honesty requires being equally clear about what Web3 has failed to deliver.

Play-to-earn gaming promised a new economic model where players own their in-game assets and earn real income from playing. Axie Infinity briefly made this real during the pandemic — and then demonstrated exactly why the model is structurally fragile. When token prices fall, the economy collapses. Since Axie, the success stories in blockchain gaming have been limited. Gaming is still the largest sector by blockchain activity volume, but the challenge of attracting a mainstream audience who aren't primarily motivated by financial gain remains unsolved.

DAOs (Decentralised Autonomous Organisations) were supposed to replace corporate governance with on-chain voting. In practice, most DAOs have experienced low participation rates, governance attacks, and the same concentration of power you'd find in any startup — just distributed among early token holders rather than a board of directors. The mechanism is interesting; the execution has been underwhelming.

And the metaverse: virtual land in Decentraland and The Sandbox is still technically owned as NFTs, and the tokens still trade. The idea that people would spend significant time in these environments proved to be a category error about human behaviour, not a technological failure.

What this means for you

If you're an investor, the useful frame is this: Web3 is not a single bet. It's a spectrum of applications at very different stages of maturity.

DeFi and tokenised real-world assets are past proof-of-concept and into institutional adoption — still risky, still early by traditional finance standards, but measurably real. Digital identity and enterprise blockchain are quiet infrastructure plays that will likely be invisible until they're everywhere. Speculative gaming tokens and governance experiments remain genuinely uncertain.

The hype cycle worked as hype cycles do — inflating expectations, crashing them, and leaving behind the technologies that were actually solving something. The interesting question now isn't "is Web3 real?" It's "which parts of it are real enough to matter to my finances?"

That question has a much better answer in 2025 than it did in 2022. Start by understanding what DeFi actually means for everyday users before deciding whether any of it belongs in your portfolio. The technology is no longer waiting to be invented. The work now is separating signal from the remaining noise.