fotype

Adds a tokenized text box for saving comma separated values.
<h4>Compatibility</h4>
This ACF field type is compatible with: 
* ACF 5 
* ACF 4

Advanced Custom Fields: Token Field

Adds a tokenized text box for saving comma separated values.

scor2k

This plugin allow you to LogIn on WordPress by NXT Token
<ul>
<li>What is NXT: http://NxtCrypto.org/ [EN]</li>
<li>NXT WiKi: http://wiki.nxtcrypto.org/ [EN][RU]</li>
</ul>
How it’s work:
<ul>
<li>Click on the button with NXT caption in the logon screen and enter valid NXT token for this site.</li>
<li>If NXT server worked fine and token valid – you enter site with login name as your RS account name (NXT-…..)</li>
<li>NXT servers and default post select on Options page. By default – localhost</li>
</ul>

nxtAuth

nxtAuth allow you to log into Wordpress using NXT-token

Advanced Custom Fields: Token Field vs nxtAuth