The protocols are seeing a decline in deployments but they're still very popular. See the below for a trend of the protocol over the past 5 years: https://imgu

The protocols are seeing a decline in deployments but they're still very popular. See the below for a trend of the protocol over the past 5 years: https://imgur.com/a/uIAiM9B https://imgur.com/a/uIAiM9B