...cryptocurrencies suffer pump-and-dump schemes, wash trading, enable a $5.2B/year ransomware industry, have disrupted supply chains for GPUs, hard disks, SSDs and other chips, have made it impossible for web services to offer free tiers, and are responsible for a massive crime wave including fraud, theft, tax evasion, funding of rogue states such as North Korea, drug smuggling, and even armed robbery, kidnapping, torture and murder.

Well when you put it that way...
https://blog.dshr.org/2022/02/ee380-talk.html

@b4cks4w

The massive carbon footprint resulting from the monumental amount of squandered energy, you forgot that.

@mcfate he does mention it but had to sacrifice to get under the post character count. The energy and e-waste issues arguably dwarf the other problems.