Frequently Asked Questions

Flash USDT Sender is a professional software tool that enables fast, reliable USDT (Tether) transactions across multiple blockchain networks including TRC20 (TRON), ERC20 (Ethereum), BEP20 (BSC), and more.

Flash USDT Sender supports TRC20 (TRON), ERC20 (Ethereum), BEP20 (Binance Smart Chain), MATIC (Polygon), and several other major networks. New networks are added regularly with software updates.

We offer four tiers: Day License (24-hour access), Week License (7-day access), Month License (30-day access), and Unlimited License (lifetime access with all future updates). Each tier includes full software functionality.

After purchase, you will receive an email containing your license key. Open the software, navigate to the activation screen, enter your license key exactly as provided, and click Activate. Your software will be fully unlocked immediately.

Flash USDT Sender is compatible with Windows 10/11 (64-bit), macOS 12 or later, and Ubuntu 20.04+. A minimum of 4GB RAM and a stable internet connection are required.

Each license is tied to a single device. If you need to transfer your license to a new device, contact our support team — one transfer is permitted per license period.

TRC20 transactions typically confirm within 3 minutes, ERC20 within 1–5 minutes depending on network congestion, and BEP20 within 3 minutes. The software provides real-time status updates for all transactions.

Yes. The software operates locally on your device and does not have access to your private keys or wallet credentials. All cryptographic operations are performed client-side. We never transmit sensitive data to our servers.

We accept cryptocurrency payments including Bitcoin (BTC), Ethereum (ETH), USDT (TRC20/ERC20), and other select cryptocurrencies. Licenses are delivered instantly upon payment confirmation.

When your license expires, the software enters read-only mode and no new transactions can be initiated. You can renew at any time. Your transaction history and settings are preserved.