Just copy and paste the following list in a text file, save it and then import it in TradingView.
COINBASE:1INCHGBP
COINBASE:AAVEGBP
COINBASE:ADAGBP
COINBASE:ALGOGBP
COINBASE:ANKRGBP
COINBASE:ATOMGBP
COINBASE:BCHGBP
COINBASE:BTCGBP
COINBASE:CGLDGBP
COINBASE:CHZGBP
COINBASE:CRVGBP
COINBASE:DOGEGBP
COINBASE:DOTGBP
COINBASE:ETCGBP
COINBASE:ETHGBP
COINBASE:FILGBP
COINBASE:GRTGBP
COINBASE:ICPGBP
COINBASE:LINKGBP
COINBASE:LTCGBP
COINBASE:MASKGBP
COINBASE:MATICGBP
COINBASE:SHIBGBP
COINBASE:SNXGBP
COINBASE:SOLGBP
COINBASE:UNIGBP
COINBASE:USDCGBP
COINBASE:USDTGBP
COINBASE:XTZGBP