Opinion | From Crypto to Capital: How Blockchain is Targeting the Real Economy

When blockchain technology first entered the global conversation 15 years ago, it meant one thing: cryptocurrency.

Bitcoin, launched in 2009, was designed as an electronic payment system operating outside the control of banks and governments. Through a distributed ledger and cryptographic consensus mechanisms, users could transact directly across a global network without financial intermediaries. The underlying concept was novel: Trust no longer had to flow from a central institution; it could be established by algorithms.

Yet for the better part of a decade, blockchain's real-world activity remained concentrated within the cryptocurrency market itself. Token launches, trading platforms, and speculative capital flooded in, inflating the industry at remarkable speed. This fueled a persistent question from outside observers: Was blockchain simply another vehicle for speculation, or could it actually transform the broader financial system?

The answer began to take shape around 2019. As smart contract platforms—most notably Ethereum—matured, blockchain evolved beyond a currency system into an open network capable of executing complex financial logic.

Developers began building lending, trading, and settlement mechanisms directly on-chain, giving rise to Decentralized Finance, or DeFi. Within this ecosystem, users could exchange assets, borrow, and post collateral without a traditional bank or brokerage. Platforms like Uniswap enabled direct on-chain asset swaps, while MakerDAO issued the stablecoin DAI through a collateral mechanism, creating an on-chain credit system.

At the market's peak in 2021, total assets locked in DeFi protocols briefly exceeded $180 billion. However, as market cycles turned, a structural limitation became obvious: DeFi's asset base was drawn almost entirely from cryptocurrency itself. It formed a closed financial loop. When crypto markets boomed, the system expanded rapidly; when they fell, it contracted in kind.

For DeFi to function as a genuine financial market, finance professionals realized it needed to connect with real-world cash flows. That realization gave rise to the tokenization of real-world assets (RWA).

The concept is straightforward: converting assets that exist in the physical economy—government bonds, corporate debt, real estate, business loans, commodities, and carbon credits—into digital tokens that can be issued, traded, or used as collateral on a blockchain.

RWA is widely regarded as a significant turning point for blockchain finance for three key reasons:

Firstly, where DeFi returns previously depended on token incentives, RWA opens the door to cash flows from government bond interest, real estate rental income, and loan spreads—returns anchored in actual economic activity rather than market sentiment.

Secondly, incorporating low-risk assets, such as short-term sovereign debt, into DeFi's asset base could meaningfully reduce the sector's notorious price swings.

Finally, current DeFi markets measure in the tens to hundreds of billions of dollars. By contrast, global bond markets are valued at roughly $130 trillion, and real estate assets exceed $300 trillion. Even a marginal shift of traditional assets onto blockchain infrastructure represents exponential growth.

This ambition is already drawing in mainstream financial institutions. BlackRock, the world's largest asset manager, has launched a blockchain-based treasury fund. Franklin Templeton has similarly issued portions of a money market fund as on-chain assets.

These moves suggest blockchain is transitioning from a technical foundation for the crypto industry into a digital infrastructure layer for broader capital markets. In this future architecture, traditional financial institutions will likely continue to handle asset issuance and regulatory compliance, while blockchain provides the global network for rapid asset exchange and settlement.

However, RWA development brings its own hurdles. Real-world assets involve legal ownership, custodial arrangements, and regulatory frameworks. Defaults and disputes ultimately require judicial intervention. Consequently, RWA-based finance is unlikely to produce a fully decentralized system. Instead, a hybrid model blending blockchain's technical efficiency with traditional legal structures is emerging.

Looking back across 15 years of evolution, three distinct stages are clear: Bitcoin introduced decentralized currency, DeFi built on-chain financial services, and RWA is now bringing the physical economy onto the blockchain. The competitive stakes have officially shifted. The contest is no longer about which cryptocurrency token rises or falls, but about which platforms can build the infrastructure to power the operational core of global finance.

* The author is an adjunct professor at the College of Management, Tunghai University. （Related： Japan Weighs Legal Options for SDF Deployment to Strait of Hormuz Amid US Pressure ｜ Latest ）