The only good investment in crypto has been to buy and hold BTC. So while it has worked well as an asset (like gold or paintings or baseball cards), the crypto industry itself – thousands of startups in the space, all the altcoins, blockchains, smart contracts, web3, NFTs, ICOs, DeFi, "stable" coins – have all either fizzled out or just been outright fraud.

Ever heard that saying about finding the sucker at a poker table?

I did. The first time I heard people describe crypto as such, Bitcoin was at $5000.

The first time I bought bitcoin it was under a dollar a coin. When I realized it actually had zero real value I got out.

What actual value does bitcoin have? As an example, gold can be used to make high fidelity cabling.

The actual value of bitcoin is that you can use it to buy illegal counter-cultural things like drugs, fake IDs, etc. Except you can't, because more anonymous cryptocurrencies were invented and the markets migrated to those. Now Bitcoin is mostly used for more "serious", "wall-streety" crimes, like bypassing international sanctions. Either one can hold up the value of an investment asset.

If price of gold was according to its "actual value", it wouldn't be $3300/oz right now. Nor would anyone hold it if they expected its price to ever get down to such "actual value". Bitcoin really isn't any different in that regard - it has value because people are willing to trade it. Although it does have practical uses, as well - black markets, for example.