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Open extra topbar Cloud Wallet Adapter extension

Allows your Bitcoin and Altcoin Wallets FREE WordPress plugin to interface with your Block.IO cloud wallet account.

WARNING: Some users have reported issues with the platform that are not related to this coin adapter. There are accusations of fraudulent behavior (lost funds), here and here. If you are not planning to set up full node wallets, then my recommendation to new users is to start off with the CoinPayments platform instead, because it is more reliable, and because it offers a larger selection of wallets.

The Bitcoin and Altcoin Wallets WordPress plugin by default lets you connect a Bitcoin wallet daemon with your WordPress site. This normally requires that you run a full Bitcoin node on a machine that you own.

If you do not wish to do so, you can connect to an online cloud wallet service:

  1. create an account at
  2. install and enable this coin adapter
  3. copy your credentials into the extension’s settings page via the admin menu.

You can choose to use any or all of the three available networks:

  • Bitcoin
  • Litecoin
  • Dogecoin

After setup, you site’s users can do transactions that are backed by the online “Wallet as a service”.


Available for free to subscribers and premium members only (you need to be logged in).


  1. Check that you are running PHP version 5.6, as the block_io PHP library requires this. Also, check that the PHP curl and gmp modules are loaded (you will see a warning if you they are not).
  2. Check that you have entered the correct API keys. To enable withdrawals, also make sure that you have entered the secret PIN.
  3. Check if the problem is solved when you remove IP filtering from your dashboard.
  4. If you have checked the above and you still face problems, please contact support.


Please visit the support area for any issues, suggestions, feedback regarding this plugin extension.

For support regarding the parent plugin, Bitcoin and Altcoin Wallets, please use the support forums on Cloud Wallet Adapter extension

Updated on 2021-07-20T12:06:12+00:00, by alexg.