At this time last year, I was still arguing with people—“Running validation logic outside the WASM sandbox? Isn’t that just digging a pit for yourself?” Back then, I’d just finished a postmortem report about a certain chain being hollowed out due to smart contract vulnerabilities. My head was full of “less code is safer.”
Is the next big dip the callback point—does BTC still have room to rise?
Later, when I actually got hands-on running Dusk nodes, I realized it wasn’t that simple.
I went through their Piecrust test code, and I also specifically looked up the performance paper that had been cited so many times. Turns out they were measuring the overhead of WASM compared to native code under different instruction sets—under cryptographic scenarios it can spike to 255%. Think about it: the BLS signatures and ZK proofs that Dusk handles every day—what of them isn’t a computational heavyweight? Every transaction gets interpreted and executed inside WASM. It’s like driving with fuel economy of 25 liters per 100 kilometers—while the gas station owner is laughing all the way to the bank, and your wallet is the one that can’t take it.
So they turned high-frequency cryptographic operations into host functions and call the native implementation directly. Plainly put: don’t put chokepoints on the roads you take all the time—only scrutinize the roads you take occasionally.
Of course there are risks. The trust boundary shrinks from “the entire WASM sandbox” down to “whether those few lines of C code are written safely.” The former gives you security vibes on a physical-isolation level; the latter just depends on whether the engineer’s hands are steady. I even went to the corner of their official site to dig up their 2024 Q3 audit report—at least the boundary cases they tested back then didn’t blow up. But then again, vulnerabilities like these are never “found” from testing alone—they’re fed to the system with data by people. Someday, if someone feeds in a carefully forged proof and triggers an integer overflow in a host function no one noticed—yeah… that scene is something I don’t want to see for myself, at least not yet.
But if you’re chasing true “no chance of failure,” then don’t use a public chain—go home and write a standalone program. It’s more comfortable. The folks behind Dusk are doing a different accounting: performance bottlenecks are today’s problem, and security issues can still be patched tomorrow. I ran nodes for three years. The chains that died—nine times out of ten—were because the gas was so high nobody used them, or because once they were compromised they basically went to zero. Anyway, I never saw it happen firsthand.
So my attitude isn’t as hardline now. Before, when having dinner with friends, I kept insisting, “Let’s observe a bit more.” When I got back, I quietly updated the node version to the latest. There aren’t many projects that punch holes in the sandbox, and Dusk is one of them. #dusk $DUSK @Dusk
Is the next big dip the callback point—does BTC still have room to rise?
Later, when I actually got hands-on running Dusk nodes, I realized it wasn’t that simple.
I went through their Piecrust test code, and I also specifically looked up the performance paper that had been cited so many times. Turns out they were measuring the overhead of WASM compared to native code under different instruction sets—under cryptographic scenarios it can spike to 255%. Think about it: the BLS signatures and ZK proofs that Dusk handles every day—what of them isn’t a computational heavyweight? Every transaction gets interpreted and executed inside WASM. It’s like driving with fuel economy of 25 liters per 100 kilometers—while the gas station owner is laughing all the way to the bank, and your wallet is the one that can’t take it.
So they turned high-frequency cryptographic operations into host functions and call the native implementation directly. Plainly put: don’t put chokepoints on the roads you take all the time—only scrutinize the roads you take occasionally.
Of course there are risks. The trust boundary shrinks from “the entire WASM sandbox” down to “whether those few lines of C code are written safely.” The former gives you security vibes on a physical-isolation level; the latter just depends on whether the engineer’s hands are steady. I even went to the corner of their official site to dig up their 2024 Q3 audit report—at least the boundary cases they tested back then didn’t blow up. But then again, vulnerabilities like these are never “found” from testing alone—they’re fed to the system with data by people. Someday, if someone feeds in a carefully forged proof and triggers an integer overflow in a host function no one noticed—yeah… that scene is something I don’t want to see for myself, at least not yet.
But if you’re chasing true “no chance of failure,” then don’t use a public chain—go home and write a standalone program. It’s more comfortable. The folks behind Dusk are doing a different accounting: performance bottlenecks are today’s problem, and security issues can still be patched tomorrow. I ran nodes for three years. The chains that died—nine times out of ten—were because the gas was so high nobody used them, or because once they were compromised they basically went to zero. Anyway, I never saw it happen firsthand.
So my attitude isn’t as hardline now. Before, when having dinner with friends, I kept insisting, “Let’s observe a bit more.” When I got back, I quietly updated the node version to the latest. There aren’t many projects that punch holes in the sandbox, and Dusk is one of them. #dusk $DUSK @Dusk