> could create a competitor to NaCl using the same basic idea (native-speed code execution using a pre-checked subset of machine instructions) That's pretty mu

> could create a competitor to NaCl using the same basic idea (native-speed code execution using a pre-checked subset of machine instructions) That's pretty much exactly what asm.js is. It is currently slower, but it is also a younger project. They both even use LLVM as part of their standard toolchain.