Bitcoin and altcoins spark NFT resurgence as weekly sales exceed $180 million [https://www.thestreet.com/.image/t_share/MTgwNjE1ODg2MzA1MDQzODE2/nfts-recur-chain-agnostic.jpg] Bitcoin and altcoins spark NFT resurgence as weekly sales exceed $180 million Recent sales figures for non-fungible tokens signal renewed optimism for digital collectibles. [https://www.thestreet.com/crypto/markets/bitcoin-and-altcoins-spark-nft-resurgence-as-weekly-sales-exceed-180-million]