OK, in my niche I'm using C and gcc, due to gigantic amount of binary data to process ultrafast...
On another subject: There is only one situation which may trigger consensus for Bitcoin hardfork: quantum computing threat, which is impossible to solve with soft fork only. And it would be a good opportunity to simultaneously fix long term security budget problem...
We have got a single chance for having decentralized money. It looks like there is less and less devs saying: "two orders of magnitude is missing only"