Even so, similar to other well known brand names, which was an abbreviation of the company name, UBS is not regarded as an acronym. ^ Optimistic Rollups do the job by processing most transactions off-chain after which periodically distributing a summary of All those transactions towards the Ethereum mainnet. https://financefeeds.com/financefeeds-launches-ama-series-with-gavin-white-as-first-guest/