Does the chain need to provide the seller's real estate license and ID card to sell the house?

Need. The information of real estate license and ID card is an important proof to verify the ownership of the house and the identity of the seller. Providing this information can help the chain home to verify the ownership of the house and ensure the security and legality of the transaction. At the same time, this information can also be used to verify the identity of the seller and avoid false sales or fraud. Therefore, the chain needs to provide the seller's real estate license and ID card to sell the house.