To build Bitcoin Knots v29.x:
```
sudo apt -y install cmake libsqlite3-dev
git clone -b v29.2.knots20251110 
cd bitcoin
cmake -B build
cmake --build build -j $(nproc)
for i in bitcoind bitcoin-cli bitcoin-tx bitcoin-util; do strip -o ~/bin/$i build/bin/$i; done
```
GitHub
GitHub - bitcoinknots/bitcoin: Bitcoin Knots enhanced Bitcoin node/wallet software
Bitcoin Knots enhanced Bitcoin node/wallet software - bitcoinknots/bitcoin