Send USDC & Crypto vs Email Best Practices

Send USDC & Crypto

By Coinbase

Send money instantly to any wallet address or ENS name on Base, Polygon, or Solana.

Email Best Practices

By Resend

Build reliable, compliant email features that reach inboxes, not spam folders.

Send USDC & Crypto

• Sends USDC, ETH, POL, or SOL to any wallet address or ENS name
• Works across Base, Polygon, and Solana blockchains
• Resolves ENS names automatically so you can use friendly names like vitalik.eth
• Validates amounts and addresses to prevent errors
• Shows your wallet balance and transaction status

Email Best Practices

• Guides you through setting up email authentication (SPF/DKIM/DMARC) to prevent emails from going to spam
• Explains how to build compliant email capture forms with proper consent and double opt-in
• Provides a catalog of common transactional emails (password resets, confirmations, receipts) your app might need
• Helps you understand legal requirements for marketing emails (GDPR, CAN-SPAM, CASL)
• Shows you how to handle bounces, complaints, and maintain clean email lists

Reach for Send USDC & Crypto when…

• You need to pay a contractor, freelancer, or vendor in crypto
• You want to tip a creator or donate to a project
• You're transferring funds between wallets without opening a crypto app
• You need to send money on Base, Polygon, or Solana quickly

Reach for Email Best Practices when…

• You're adding email features to your product and need to understand what emails to build
• Your emails are landing in spam and you need to fix deliverability
• You're launching a newsletter or marketing emails and need to stay compliant
• You need to set up password resets, email verification, or other user notifications