In early March 2025, Andre Cronje—the architect behind Yearn, Fantom, and the ve(3,3) revolution—dropped a line that sent ripples through the DeFi discourse: 'DeFi is dead. Long live onchain finance.'
At first glance, this sounds like a surrender. The same man who once built Yearn as a beacon of permissionless, immutable yield aggregation now publicly declares the original vision expired. But calling it a eulogy misses the point. Cronje isn’t burying DeFi; he’s re-labeling the corpse.
What he calls "onchain finance" is a confession that the industry has traded immutability for institutional access, and decentralization for compliance. The question is not whether this is true—it is—but whether we should accept this trade without a fight.
People first, protocol second. Always.
## Context: The Quiet Sacrifice The original DeFi promise was a three-legged stool: immutable smart contracts, permissionless interaction, and community governance. Cronje’s critique hits where it hurts: the stool has been sawed to fit a new table.
Proxy upgrade patterns have become standard—every major protocol can change its logic overnight. Multi-sig teams, not token holders, now control treasury keys and parameter changes. And KYC/whitelisting has crept into previously open pools. The line between a bank and a dApp is blurring, and Cronje, with his surgeon’s precision, simply named the patient.
But naming is power. By coining "onchain finance," Cronje is not just describing a trend—he is claiming the narrative for his own creations. His new project, Flying Tulip, is still in stealth, but its framing as "meaningful social interaction" rather than yield farming suggests a deliberate departure from the Ponzi-incentive model he once criticized.
## Core: The Immutability Dilemma Let’s get technical. The core contradiction Cronje points to is between upgradeability and immutability.
From my own audits of 50+ ICO whitepapers back in 2017, I saw how easily "governance" could become a backdoor. Teams promised decentralization but kept admin keys that could pause contracts, drain liquidity, or freeze user funds. The same pattern persists today. The current "onchain finance" wave accelerates this: protocols must be upgradeable to fix bugs, add compliance layers, or respond to regulatory demands. But each upgrade is a governance vote that can be captured by a few whales or a founding team.
Cronje’s observation is technically accurate: the industry has chosen flexibility over trustlessness. The question is whether this choice is reversible.
Consider the proxy pattern. A proxy contract delegates logic to an implementation contract. The proxy can be pointed to a new implementation at any time by the owner. This is standard in DeFi. But it means the "code is law" promise is a lie. The law is rewritten by whoever holds the proxy admin key.
In my work with several DAOs post-2024, I’ve seen how this creates a gap between the marketing of "decentralized governance" and the reality of a 3-of-5 multisig making decisions. The fatigue is real: users no longer expect immutability. They just want the UI to work and their funds to be safe—until they aren’t.
Empathy is the ultimate security layer.
## Contrarian: The Trap of Institutional Love Here is the counter-intuitive angle: sacrificing decentralization for compliance may actually increase regulatory risk, not decrease it.
Under the Howey test, a token is more likely to be a security if the project relies on the "efforts of others" to generate profits. If a protocol is truly permissionless and immutable, the argument for "common enterprise" is weaker. But as protocols become more centralized—with upgradeable contracts, admin keys, and KYC—they look more like a traditional company issuing shares.
Cronje’s "onchain finance" is, in a way, a warning dressed as a declaration. The more we conform to institutional standards, the more we expose ourselves to classification as securities.
We saw this in 2023 when the SEC targeted Kraken’s staking program and Uniswap Labs. The agencies don’t care about your governance token economics. They care about whether a central entity controls the flow of funds. Cronje’s redefinition may be a defensive move: by calling it "onchain finance," he’s trying to distance the space from the word "DeFi" and its associated regulatory baggage. But the substance remains the same.
Trust is earned in bear markets.
## Takeaway: The Vision Forward Cronje’s statement is not a technical revelation but a strategic pivot. He is telling the market: "We are no longer building for cypherpunks. We are building for BlackRock."
Whether this is good or bad depends on your values. For me, the core question remains: Can we build onchain finance that is both compliant and sufficiently decentralized to protect users from malicious upgrades? The answer is not clear.
Flying Tulip will be the test case. If it launches with a transparent upgrade mechanism, a time-lock, and a governance model that truly gives users a voice, then "onchain finance" might be palatable. If it repeats the pattern of a single founder controlling a proxy, then it’s just TradFi with a blockchain wrapper.

The market will decide. But let’s not pretend that this is inevitable. We can still choose to value immutability over convenience, and community over capital. The tools exist. The question is whether we have the will to use them.