Blockchain Gravityresearch
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CardVisa, Mastercard, Amex · through Stripe · renews until you cancel
This opens Stripe checkout. We never see your card details.
WalletUSDC or USDT from a wallet you connect · monthly: an allowance you sign and can revoke

A wallet on this device opens directly. On a phone, WalletConnect shows a QR code or opens your wallet app. Nothing is taken until you approve it in your wallet.

On-chain transferAny wallet or exchange · a year at a time · BTC, ETH, SOL, XRP, XMR, LTC, DOGE, USDC, USDT
You'll get an address and the exact amount. Your plan starts once the network confirms the payment.
Pay a year in

Times shown are how long the network usually takes, from when your wallet sends to when the plan appears on your account.

The exact amount is fixed for one hour at the current rate. Send from a wallet you control. An exchange withdrawal that takes its fee out of the amount won't match.

We accept

Bitcoin · Ethereum · Base · BNB Chain · Solana · XRP Ledger · Litecoin · Dogecoin · Monero