STARTING FROM TODAY GOOGLE WILL ALLOW BITCOIN ADS AGAIN.
Check new Ads Policy:
https://support.google.com/adspolicy/answer/14009787?hl=es
Allowed:
Business not pertaining to the purchase, holding, or exchange of cryptocurrencies, subject to other Google Ads policies
Hardware wallets designed to hold the private keys for cryptocurrencies, NFTs, or other crypto based assets
Cryptocurrency Exchanges and Software Wallets
For NFT games, the following is not allowed:
Promotion of games where players can wager or stake NFTs in exchange for the opportunity to win anything of real-world value (including other NFTs)
Promotion of social casino games that reward NFT
Promotion of "real money gambling" destinations which includes gambling-related advertisements that appear on your game's destination
Ads for initial coin offerings, DeFi trading protocols, or otherwise promoting the purchase, sale, or trade of cryptocurrencies or related products
Ad destinations that aggregate or compare issuers of cryptocurrencies or related products