Bitshares Blockchain supports on-chain peer to peer bartering; it was implemented back between 2018-2019 within Bitshares broswer-based ui and showcased to the public in the new features spotlight page.
https://coinmarketcap.com/community/articles/6388e8e87acf9e394c6af61c
About #BitShares #Blockchain:
Official Website: https://bitshares.github.io
Official GitHub: https://github.com/bitshares
Official Telegram Group: https://t.me/BitSharesGroup