Advanced Appendix C: Customizing the Build for High-Frequency Trading

23. Advanced Appendix C: Customizing the Build for High-Frequency Trading

Some users run Bitcoin Core as part of a high-speed trading system. They need the absolute lowest latency.

• Thread Affinity: You can use the taskset command in Linux to "Pin" the bitcoind process to specific CPU cores that aren't being used by the OS.

• Kernel Bypass: Using specialized network cards (NICs) that bypass the Linux kernel's networking stack to shave off microseconds of latency.