It appears that this plugin by https://www.primer.systems/ is not affiliated with https://primerpay.com/ and is also at https://github.com/primer-systems/primer-pay-wordpress

Is it ultimately controlled by Coinbase? Seems like an actual human talking over this video: https://www.youtube.com/watch?v=gJMcV-FqhiY

Recent hype around Base: https://x.com/brian_armstrong/status/2056432202825552326