The proposed identity card will include a picture of the badge winner and their details, and could be swiped at venues to gain access.
"Blue Peter is looking into different ideas and trying to find the best one, " a BBC spokeswoman told vnunet.com. "It has not yet been confirmed that that is the one we will use."
The BBC has cancelled its offer of free access for children to 200 UK venues following the auction sales.
However, the number of online auctions has increased following the publicity, and the BBC has openly criticised auction site eBay for allowing further sales to take place.
IBM and Technical University of Munich team demonstrate how Shor's algorithm, which can't be cracked by conventional computers, can be solved quickly with quantum computing
Hubble Space Telescope finds superflares from young red dwarfs could strip away planetary atmosphere
Younger stars are 100 to 1,000 times more energetic than when they're older
Two of the big four supermarkets will use the system to control sales of restricted products
PUBG news and updates: November's Update #23 to bring new Skorpion pistol and changes to blue zone visibility
Genuinely useful side-arm coming to PUBG in Update #23