According to CoinMeta, Pump.fun has introduced a custom trading pair feature that supports pairing tokens with tokenized U.S. stocks, mainstream crypto assets, and metals. Currently, there are 93 available trading assets, with 20 new additions including Boeing, Alibaba, Costco, Dell, etc. 50% of the transaction fees generated from custom and pairs will be directed towards the Pump token buyback and destruction contract. Creators can choose the pairing assets at the time of issuance and set the creator or cashback. The tokenized assets are issued by third parties.