Aptos is a protocol based on Diem (which became Move) developed by Facebook who planned to launch in 2020 but only released rudimentary experimental code and abandoned Diem in January 2022 probably because of regulatory issues (source Wikipedia).
It’s releasing into an oversaturated L1 market with what seems to be very little innovation on competitors and in most cases far behind on the competition. They are backed by the same VC’s who backed e.g. Luna and Celsius and who made leveraged loans to do so...