What is a crypto wallet address? How to send crypto safely
By SendPay Business · · 2 min read
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A crypto wallet address is a long string of letters and numbers that works like an account number: it tells the network where to send crypto. You can share it freely, because it only lets people send to you, not take from you.
Address vs private key
The address is public, like an account number. The private key is secret and proves you own the coins at that address. Anyone with the private key can move the coins, so it must never be shared.
Checks before you send
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Why mistakes are costly
Crypto transfers usually can't be reversed. Crypto sent to the wrong address or on the wrong network may be lost for good, which is why careful checks matter.
Where SendPay fits
SendPay's Crypto Exchange platform lets your customers buy, sell and hold crypto under your own brand, with assets held with regulated partners. You can preview your platform before you launch.
How it works
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Questions people ask
Is this wallet address valid?
Check a Bitcoin or Ethereum address for mistakes before you send.
Crypto wallet address checker →Read next
Spotted a mistake or something out of date? and we'll fix it. How our guides are made
This guide is general information, not legal or financial advice. SendPay Business is a technology company, not a bank, and does not take deposits; regulated services on the platforms are provided by licensed partners. Other companies named in this guide are reference points only and are not affiliated with SendPay Business.