General registration form w/ hidden nonce field for WordPress

registration.php

<?php
/**
 *
 *General registration form
 *
 *
 */
?>

<form method="post">

	<p>
		<label for="user_login">Username</label>
		<input type="text" name="user_login" id="user_login" placeholder="Username" required>
	</p>

	<p>
		<label for="user_pass">Password</label>
		<input type="text" name="user_pass" id="user_pass" minlength="12" placeholder="Password" autocomplete="off" required>
	</p>

	<p>
		<label for="user_pass_confirm">Confirm Password</label>
		<input type="text" name="user_pass_confirm" id="user_pass_confirm" minlength="12" placeholder="Confirm Password" autocomplete="off" required>
	</p>

	<p>
		<label for="first_name">Name</label>
		<input type="text" name="first_name" id="first_name" placeholder="First" required>
		<input type="text" name="last_name" id="last_name" placeholder="Last" required>

	</p>

	<p>
		<label for="user_email">Email Address</label>
		<input type="text" name="user_email" id="user_email" placeholder="Email Address" required>
	</p>

	<!-- Create a unique token 10 charactors long. -->
	<?php $registration_token = strtolower( wp_generate_password( 10, false, false ) ) ?>

	<!-- Store that token in the hidden value field to be verified when the POST isset. -->
	<input type="hidden" name="registration_token" value="<?php echo esc_attr( $registration_token ) ?>">

	<!-- Name the nonce field action and name. Here we concatonate the action w/ the randomly generated pw from above. -->
	<?php wp_nonce_field( 'user_registration-' . $registration_token, 'registration_nonce' ) ?>

	<p>
		<button type="submit" id="submit-registration">Register</button>
	</p>

</form>