Earlier quoted context omitted.
I'll bite the bullet and assume that you're asking a legitimate question in good faith: 1) Imagine I have 100 USD and 100 EUR and I want to provide liquidity to a USD-EUR pair to get a cut of exchange fees. Which automated market maker do I need to contact in the space of "conventional financial technologies" to do so? 2) Imagine I have 1 BTC and I want to lend it (in a secure way) to get some return (in BTC). Who sh…
I would agree that case 1 constitutes a potentially interesting use of block-chain. 2 and 3 assume the value of BTC, which I would not take as a given.
If it makes it any better, I can lend BTC and ask to get returns in USDC (which should be worth as much as 1 USD, if you trust Coinbase). Am I still speculating?
Regarding point 3, where is the speculation, exactly? If, at any point, the BTC I left as collateral goes below a certain level of collateralization (let's say 200% of the value of the borrowed asset), I'll just get liquidated: whoever lent me the USD will get their USD back, and I will lose my collateral (or a part of it, at least), if I fail to keep the value of my collateral over the threshold.
I think perhaps we have a very different idea of what "speculation" is supposed to be...
Either way, I guess you accept that there are use-cases that are otherwise not being provided by more traditional tech/institutions. Good.