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EFF30 Challenge Coins

While Supplies Last. Become a Sustaining Donor to receive an individually-numbered EFF 30th Anniversary Challenge Coin! To be eligible, just start an automated donation of at least $5 per month (Copper Level) or $25 per year (Silicon Level). We'll automatically send this special-edition EFF challenge coin to the shipping address you provide during your transaction. Fewer than 200 of these 30th anniversary tokens remain. For questions contact us at

Challenge coins follow a long tradition of offering a symbol of kinship and respect for great achievements—and we owe our strength to tech users around the world like you. EFF challenge coins are only available while supplies last and they’re individually numbered for each supporter. Our work is sustained by thousands of people from every imaginable background giving modest donations when they can. With your help, EFF is here to stay.