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neorv32
:rocket: A tiny, customizable and extensible MCU-class 32-bit RISC-V soft-core CPU and microcontroller-like SoC written in platform-independent VHDL.
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https://signal.org/blog/private-contact-discovery/ seems like an application of SGX where net privacy is increased.
As long as FPGAs are available to consumers, it will be possible to have a computer running on open hardware. On the front page right now is this project: https://github.com/stnolting/neorv32
It's possible right now to have an FPGA running an open-source RISC-V implementation. The software isn't there yet, but I expect this to change as more RISC-V boards get on the market. God knows how useful this 'bootleg' computer will be, as we'll have to port over AR but it's a foundation to build on, at least. There's already work on porting Debian to RISC-V.
https://archive.fosdem.org/2019/schedule/event/riscvdebian/a...
And with a free, open ISA, it's not impossible for smaller, independent manufacturers to crop up and produce their own chips, especially given that the US is now investing in chip-fab. (if there is demand. If nobody cares that they don't own their machines, we were screwed from the start.)
I see a lot more hardware content on Youtube nowadays. Channels like Ben Eater are educating people on how computers work, and more accessible FPGAs may help create a more flexible environment for hardware.