The index has gained over 11% in the past seven days, with FIL and GRT rallying over 40%, ignoring moderate weakness in the broader market. The index leader Chainlink’s LINK token has dropped 10%. The CoinDesk 20 index , a broad crypto market benchmark, has declined by 2% in seven days, with bitcoin (BTC) , the world’s biggest cryptocurrency by market value, trading back and forth between $50,500 and $52,500.