From today one can withdraw pi on https://www.okx.com/learn/buy-pi-on-cex-guide i already did a 20 pi test transaction on my phone to bored to do screenshot that download and upload it is not rocket science as it is working got the pi on exchange in like less than a minute if you check the link from okx scroll down and you will notice listing timeline which clearly states that pi is open for deposits since today. also bitmart bitget i think already have it listed and poloniex