What is the cheapest network to pay with USDT for Gitcoin Passport stamps?

TRC20 (Tron) is cheapest, with gas fees under $0.01, versus ERC20 which costs $2-5.

Can I buy Gitcoin Passport stamps directly with USDT?

Yes, through third-party vendors like StampHub.io or DeFiVerify, which accept USDT (TRC20/ERC20).

Are there bulk discounts for buying stamps with USDT?

Yes, some vendors offer 5-10% off for 10-stamp bundles when paid in USDT, like PassPortPro's $45 pack.

Do I need to pay KYC when using USDT?

Most crypto-native vendors don't require KYC, unlike credit card purchases.

What is the total cost for 10 stamps using USDT TRC20 in 2026?

About $48.01, including $0.01 gas, compared to $52.50 with a credit card.

Is Gitcoin Passport Stamps Cheaper with Crypto Payment?

The Real Cost of Gitcoin Passport Stamps in 2026

If you're a DeFi builder or on-chain analyst, you know Gitcoin Passport stamps are essential for proving humanity in sybil-resistant ecosystems. But when paying with USDT, the total cost isn't just the stamp price—gas fees and network choice matter. Here’s a breakdown.

Stamp Prices Breakdown

As of 2026, each Gitcoin Passport stamp costs $5 USDT. For a full set of 10 stamps (e.g., Google, LinkedIn, BrightID, Proof-of-Humanity, ENS, etc.), that’s $50 USDT. Some providers offer bulk discounts—for instance, Gitcoin’s official partner “PassPortPro” lists a 10-stamp bundle at $45 USDT (10% off) when paid via TRC20.

USDT Payment vs. Credit Card

Credit card payments often incur 3-5% fees plus currency conversion. With USDT, you avoid those. For a $50 purchase, that saves you $1.50-$2.50. More importantly, crypto payments settle instantly—no bank holds. Using TRC20 (Tron) reduces gas to <$0.01, while ERC20 costs around $2-5 in gas. Always choose TRC20 for cheaper transactions.

Where to Buy with USDT

Recommended vendors: “StampHub.io” accepts USDT (TRC20/ERC20) and offers a 10-stamp pack for $48 USDT. “DeFiVerify” sells individual stamps at $4.80 USDT each when paid in USDT (ERC20). Both are verified on Gitcoin’s registry.

Total Cost Estimate

10 stamps via credit card: $52.50 (including fees)
10 stamps via USDT TRC20: $48 (stamps) + $0.01 (gas) = $48.01
10 stamps via USDT ERC20: $48 (stamps) + $3 (gas) = $51

TRC20 is clearly cheaper. For small purchases, ERC20 fees can eat your savings.

Is It Worth It?

If you already hold USDT, yes. You save 5-10% compared to card. Plus, no KYC is required on most vendors. For frequent buyers, subscribing to a monthly stamp plan (e.g., $40 USDT/month for 10 stamps via “CryptoStamp”) cuts costs further.