It is. But "blockchains" is plural. There being only one blockchain in Bitcoin, my assumption is that the others include Ethereum, Solana, Tron, Monero, etc. and that is the red flag. Because nothing good has ever come of blockchains, plural.
Discussion
Bitcoin is money, it's the base layer, others are technology infrastructure, is not money. nostr:npub14ekwjk8gqjlgdv29u6nnehx63fptkhj5yl2sf8lxykdkm58s937sjw99u8 uses a PoW chain token that captures the pricing of testing infrastructure ... I picked the tech not for hype but for correctness. "red flags" are gaps in verification.