How do you arrived at the occasion that BlackRock spot bitcoin ETF application is what leads to this sudden increase, have you even consider how closer we are getting to bitcoin halving which will begin to gradually unfolds more attempts on bullrun anytime from now on, moreover i don't think the offer with BlackRock has been granted yet by the SEC, remember they were not the only applicant on this.
You need to learn about the reason for the creation of bitcoin by Satoshi first, study the history and also google about the importance of bitcoin in a decentralized digital financial economy, this will gives you more insight on the needs for financial freedom, privacy, trust and security which all these together form part of the reason why Satoshi make an alternative to fiat traditional currency away from central authorities with the introduction of bitcoin.
So solving a rigorous mathematical equations through the process of bitcoin mining and competing with thousands of other miners across the world is nothing to you deserving a reward for?