{"id":248,"date":"2022-05-20T12:00:06","date_gmt":"2022-05-20T10:00:06","guid":{"rendered":"https:\/\/ackeeblockchain.com\/blog\/?p=248"},"modified":"2025-02-19T14:26:58","modified_gmt":"2025-02-19T12:26:58","slug":"helio-protocol-audit-summary","status":"publish","type":"post","link":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/","title":{"rendered":"Helio Protocol Audit Summary"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.hel.io\/\">Helio<\/a> engaged <a href=\"https:\/\/ackeeblockchain.com\/\">Ackee Blockchain<\/a>\u00a0to review and <a href=\"https:\/\/ackeeblockchain.com\/blog\/glossary\/audit\/\">audit<\/a> their protocol between <strong>May 16 and 20, 2022<\/strong>. The entire audit process was conducted with a total time commitment of<strong> 5 engineering days<\/strong>.<\/span><span style=\"font-weight: 400;\"> We now publish a summary of our results.\u00a0<\/span><!--more--><\/p>\n<h4><b>Methodology<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">First, we took the time to understand the entire Helio platform.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Reviewing the specifications, sources, and instructions provided to us is essential to ensure we understand the project&#8217;s size, scope, and functionality. This is followed by a detailed manual code review, which is the process of reading the source code line by line to identify potential vulnerabilities.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">When the code review is complete, we run client&#8217;s tests to ensure the system works as expected and potentially write missing unit or fuzzy tests using our testing framework <\/span><a href=\"https:\/\/github.com\/Ackee-Blockchain\/trdelnik\"><span style=\"font-weight: 400;\">Trdelnik<\/span><\/a><span style=\"font-weight: 400;\">. We also deploy programs locally and try to attack and break the system.\u00a0<\/span><\/p>\n<h4><b>Scope\u00a0<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">We audited commit <\/span><i><span style=\"font-weight: 400;\"><code class=\"codehl\">8a6b1a20551cde8cff68d55e43baa5524692e82c<\/code> <\/span><\/i><span style=\"font-weight: 400;\"> of the <code class=\"codehl\">heliofi\/helio-protocol<\/code><\/span><span style=\"font-weight: 400;\">\u00a0repository.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">During the security review of the <\/span><i><span style=\"font-weight: 400;\">helio-protocol<\/span><\/i><span style=\"font-weight: 400;\"> <a href=\"https:\/\/ackeeblockchain.com\/blog\/glossary\/solana-program\/\">program<\/a>, we paid particular attention to the following questions:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Is the correctness of the program ensured (does it correctly implement the project goals)?<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Do the program correctly use dependencies or other programs they rely on (e.g., SPL dependencies)?<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Is the code vulnerable to economic attacks?<\/span><\/li>\n<\/ul>\n<h4><b>Findings<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Here we present our <a href=\"https:\/\/ackeeblockchain.com\/blog\/glossary\/findings\/\">findings<\/a>.<\/span><\/p>\n<h5><b>Critical severity\u00a0<\/b><\/h5>\n<p><b>C1:<\/b> <i><span style=\"font-weight: 400;\">withdraw_payment <\/span><\/i><span style=\"font-weight: 400;\">and <\/span><i><span style=\"font-weight: 400;\">cancel_payment <\/span><\/i><span style=\"font-weight: 400;\">instructions will not work after the pay stream ends\u00a0<\/span><\/p>\n<p><b>C2:<\/b><span style=\"font-weight: 400;\"> Possibility of stealing tokens from escrow token account\u00a0<\/span><\/p>\n<p><b>C3:<\/b><span style=\"font-weight: 400;\"> Possibility of stuck tokens\u00a0<\/span><\/p>\n<p><b>C4:<\/b><span style=\"font-weight: 400;\"> Using the same struct for SOL payments as for token payments results in the possibility of a tokens lock attack\u00a0<\/span><\/p>\n<h5><b>High severity\u00a0<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">No high severity issues were found.<\/span><\/p>\n<h5><b>Medium severity<\/b><\/h5>\n<p><b>M1:<\/b><span style=\"font-weight: 400;\"> Hanging <\/span><i><span style=\"font-weight: 400;\">payment_token_account<\/span><\/i><span style=\"font-weight: 400;\">(s)\u00a0<\/span><\/p>\n<h5><b>Low severity<\/b><\/h5>\n<p><b>L1:<\/b><span style=\"font-weight: 400;\"> Using <\/span><i><span style=\"font-weight: 400;\">find_program_address <\/span><\/i><span style=\"font-weight: 400;\">instead of <\/span><i><span style=\"font-weight: 400;\">create_program_address<\/span><\/i><\/p>\n<h5><b>Warning severity\u00a0<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">No warning severity issues were found.<\/span><\/p>\n<h5><b>Informational severity\u00a0<\/b><\/h5>\n<p><b>I1:<\/b> <i><span style=\"font-weight: 400;\">PaymentAccount<\/span><\/i><span style=\"font-weight: 400;\"> struct has unused fields\u00a0<\/span><\/p>\n<p><b>I2:<\/b><span style=\"font-weight: 400;\"> Unnecessary mutable modifier\u00a0<\/span><\/p>\n<h4><b>Conclusion<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Our review resulted in <strong>8 findings<\/strong> ranging from <\/span><i><span style=\"font-weight: 400;\">Informational<\/span><\/i><span style=\"font-weight: 400;\"> to <\/span><i><span style=\"font-weight: 400;\">Critical<\/span><\/i><span style=\"font-weight: 400;\"> severity. Four of these issues were critical, causing either the lockup of assets or the possibility of stealing them.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The issues C1 and C2 were reported to Helio immediately upon discovery in the separate revision of this document (pre-audit version 0.1), even though the Helio protocol was not yet live.<\/span><\/p>\n<p><b>We recommended Helio<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">to address all reported issues;<\/span><\/li>\n<li><span style=\"font-weight: 400;\">another full audit once the issues are fixed (the reason is that we devoted a lot of time on exploits due to many critical issues);<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">to follow Rust and Solana\u2019s best practices.<\/span><\/li>\n<\/ul>\n<p><b>Update: <\/b><span style=\"font-weight: 400;\">On <\/span><b>July 22, 2022<\/b>,<span style=\"font-weight: 400;\"> Helio provided an updated codebase that <\/span><span style=\"font-weight: 400;\">acknowledged and fixed all<\/span><span style=\"font-weight: 400;\"> reported issues. During the fix review process, we found three additional informational issues.<\/span><\/p>\n<p><b>I3:<\/b><span style=\"font-weight: 400;\"> Anchor version mismatch<\/span><\/p>\n<p><b>I4: <\/b><span style=\"font-weight: 400;\">Impossible to build and test with a newer anchor version<\/span><\/p>\n<p><b>I5: <\/b><span style=\"font-weight: 400;\">A missing <\/span><i><span style=\"font-weight: 400;\">CHECK<\/span><\/i><span style=\"font-weight: 400;\"> doc comment<\/span><\/p>\n<p><span style=\"font-weight: 400;\">All of them have been reported to the Helio team.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Ackee Blockchain&#8217;s full <em>Helio protocol<\/em> audit report with a more detailed description of all findings and recommendations can be found <\/b><a href=\"https:\/\/docs.hel.io\/security\"><strong>here<\/strong><\/a><b>.<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">We were delighted to audit<\/span><b> Helio<\/b><span style=\"font-weight: 400;\"> and look forward to working with them again.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Helio engaged Ackee Blockchain\u00a0to review and audit their protocol between May 16 and 20, 2022. The entire audit process was conducted with a total time commitment of 5 engineering days. We now publish a summary of our results.\u00a0<\/p>\n","protected":false},"author":11,"featured_media":275,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,5],"tags":[21,27,64,6],"class_list":["post-248","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-audits","category-solana","tag-audit","tag-blockchain","tag-security","tag-solana"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Three of our auditors were commissioned by Helio to audit their protocol between May 16 and 20, 2022. Our review resulted in 8 findings.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Andrea Nov\u00e1kov\u00e1\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ackee Blockchain - Blog &amp; Research\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Helio Protocol Audit Summary - Ackee Blockchain\" \/>\n\t\t<meta property=\"og:description\" content=\"Three of our auditors were commissioned by Helio to audit their protocol between May 16 and 20, 2022. Our review resulted in 8 findings.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/abchprod.wpengine.com\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/abchprod.wpengine.com\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x.png\" \/>\n\t\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t\t<meta property=\"og:image:height\" content=\"1380\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2022-05-20T10:00:06+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-02-19T12:26:58+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Helio Protocol Audit Summary - Ackee Blockchain\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Three of our auditors were commissioned by Helio to audit their protocol between May 16 and 20, 2022. Our review resulted in 8 findings.\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/abchprod.wpengine.com\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#blogposting\",\"name\":\"Helio Protocol Audit Summary - Ackee Blockchain\",\"headline\":\"Helio Protocol Audit Summary\",\"author\":{\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/author\\\/andrea-novakova\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/08\\\/ABCH-helio@2x.png\",\"width\":2000,\"height\":1380},\"datePublished\":\"2022-05-20T12:00:06+02:00\",\"dateModified\":\"2025-02-19T14:26:58+02:00\",\"inLanguage\":\"en-US\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#webpage\"},\"articleSection\":\"Audits, Solana, Audit, Blockchain, security, Solana\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/ackee.xyz\\\/blog\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/category\\\/solana\\\/#listItem\",\"name\":\"Solana\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/category\\\/solana\\\/#listItem\",\"position\":2,\"name\":\"Solana\",\"item\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/category\\\/solana\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#listItem\",\"name\":\"Helio Protocol Audit Summary\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#listItem\",\"position\":3,\"name\":\"Helio Protocol Audit Summary\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/category\\\/solana\\\/#listItem\",\"name\":\"Solana\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/#organization\",\"name\":\"Ackee Blockchain\",\"description\":\"Blog & Research\",\"url\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/02\\\/cropped-ABCH_Logo_blue-black.png\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#organizationLogo\",\"width\":5268,\"height\":825},\"image\":{\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#organizationLogo\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/author\\\/andrea-novakova\\\/#author\",\"url\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/author\\\/andrea-novakova\\\/\",\"name\":\"Andrea Nov\\u00e1kov\\u00e1\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#authorImage\",\"url\":\"https:\\\/\\\/abchprod.wpengine.com\\\/wp-content\\\/uploads\\\/2024\\\/08\\\/Frame-331-1-96x96.png\",\"width\":96,\"height\":96,\"caption\":\"Andrea Nov\\u00e1kov\\u00e1\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#webpage\",\"url\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/\",\"name\":\"Helio Protocol Audit Summary - Ackee Blockchain\",\"description\":\"Three of our auditors were commissioned by Helio to audit their protocol between May 16 and 20, 2022. Our review resulted in 8 findings.\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/author\\\/andrea-novakova\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/author\\\/andrea-novakova\\\/#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/08\\\/ABCH-helio@2x.png\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#mainImage\",\"width\":2000,\"height\":1380},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/helio-protocol-audit-summary\\\/#mainImage\"},\"datePublished\":\"2022-05-20T12:00:06+02:00\",\"dateModified\":\"2025-02-19T14:26:58+02:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/\",\"name\":\"Ackee Blockchain\",\"description\":\"Blog & Research\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/ackee.xyz\\\/blog\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Helio Protocol Audit Summary - Ackee Blockchain","description":"Three of our auditors were commissioned by Helio to audit their protocol between May 16 and 20, 2022. Our review resulted in 8 findings.","canonical_url":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BlogPosting","@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#blogposting","name":"Helio Protocol Audit Summary - Ackee Blockchain","headline":"Helio Protocol Audit Summary","author":{"@id":"https:\/\/ackee.xyz\/blog\/author\/andrea-novakova\/#author"},"publisher":{"@id":"https:\/\/ackee.xyz\/blog\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/ackee.xyz\/blog\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x.png","width":2000,"height":1380},"datePublished":"2022-05-20T12:00:06+02:00","dateModified":"2025-02-19T14:26:58+02:00","inLanguage":"en-US","mainEntityOfPage":{"@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#webpage"},"isPartOf":{"@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#webpage"},"articleSection":"Audits, Solana, Audit, Blockchain, security, Solana"},{"@type":"BreadcrumbList","@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/ackee.xyz\/blog#listItem","position":1,"name":"Home","item":"https:\/\/ackee.xyz\/blog","nextItem":{"@type":"ListItem","@id":"https:\/\/ackee.xyz\/blog\/category\/solana\/#listItem","name":"Solana"}},{"@type":"ListItem","@id":"https:\/\/ackee.xyz\/blog\/category\/solana\/#listItem","position":2,"name":"Solana","item":"https:\/\/ackee.xyz\/blog\/category\/solana\/","nextItem":{"@type":"ListItem","@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#listItem","name":"Helio Protocol Audit Summary"},"previousItem":{"@type":"ListItem","@id":"https:\/\/ackee.xyz\/blog#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#listItem","position":3,"name":"Helio Protocol Audit Summary","previousItem":{"@type":"ListItem","@id":"https:\/\/ackee.xyz\/blog\/category\/solana\/#listItem","name":"Solana"}}]},{"@type":"Organization","@id":"https:\/\/ackee.xyz\/blog\/#organization","name":"Ackee Blockchain","description":"Blog & Research","url":"https:\/\/ackee.xyz\/blog\/","logo":{"@type":"ImageObject","url":"https:\/\/ackee.xyz\/blog\/wp-content\/uploads\/2023\/02\/cropped-ABCH_Logo_blue-black.png","@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#organizationLogo","width":5268,"height":825},"image":{"@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#organizationLogo"}},{"@type":"Person","@id":"https:\/\/ackee.xyz\/blog\/author\/andrea-novakova\/#author","url":"https:\/\/ackee.xyz\/blog\/author\/andrea-novakova\/","name":"Andrea Nov\u00e1kov\u00e1","image":{"@type":"ImageObject","@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#authorImage","url":"https:\/\/abchprod.wpengine.com\/wp-content\/uploads\/2024\/08\/Frame-331-1-96x96.png","width":96,"height":96,"caption":"Andrea Nov\u00e1kov\u00e1"}},{"@type":"WebPage","@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#webpage","url":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/","name":"Helio Protocol Audit Summary - Ackee Blockchain","description":"Three of our auditors were commissioned by Helio to audit their protocol between May 16 and 20, 2022. Our review resulted in 8 findings.","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/ackee.xyz\/blog\/#website"},"breadcrumb":{"@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#breadcrumblist"},"author":{"@id":"https:\/\/ackee.xyz\/blog\/author\/andrea-novakova\/#author"},"creator":{"@id":"https:\/\/ackee.xyz\/blog\/author\/andrea-novakova\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/ackee.xyz\/blog\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x.png","@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#mainImage","width":2000,"height":1380},"primaryImageOfPage":{"@id":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/#mainImage"},"datePublished":"2022-05-20T12:00:06+02:00","dateModified":"2025-02-19T14:26:58+02:00"},{"@type":"WebSite","@id":"https:\/\/ackee.xyz\/blog\/#website","url":"https:\/\/ackee.xyz\/blog\/","name":"Ackee Blockchain","description":"Blog & Research","inLanguage":"en-US","publisher":{"@id":"https:\/\/ackee.xyz\/blog\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ackee Blockchain - Blog &amp; Research","og:type":"article","og:title":"Helio Protocol Audit Summary - Ackee Blockchain","og:description":"Three of our auditors were commissioned by Helio to audit their protocol between May 16 and 20, 2022. Our review resulted in 8 findings.","og:url":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/","og:image":"https:\/\/abchprod.wpengine.com\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x.png","og:image:secure_url":"https:\/\/abchprod.wpengine.com\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x.png","og:image:width":"2000","og:image:height":"1380","article:published_time":"2022-05-20T10:00:06+00:00","article:modified_time":"2025-02-19T12:26:58+00:00","twitter:card":"summary_large_image","twitter:title":"Helio Protocol Audit Summary - Ackee Blockchain","twitter:description":"Three of our auditors were commissioned by Helio to audit their protocol between May 16 and 20, 2022. Our review resulted in 8 findings.","twitter:image":"https:\/\/abchprod.wpengine.com\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x.png"},"aioseo_meta_data":{"post_id":"248","title":null,"description":"Three of our auditors were commissioned by Helio to audit their protocol between May 16 and 20, 2022. Our review resulted in 8 findings.","keywords":null,"keyphrases":{"focus":{"keyphrase":"audit","score":90,"analysis":{"keyphraseInTitle":{"score":9,"maxScore":9,"error":0},"keyphraseInDescription":{"score":9,"maxScore":9,"error":0},"keyphraseLength":{"score":9,"maxScore":9,"error":0,"length":1},"keyphraseInURL":{"score":5,"maxScore":5,"error":0},"keyphraseInIntroduction":{"score":9,"maxScore":9,"error":0},"keyphraseInSubHeadings":[],"keyphraseInImageAlt":{"score":3,"maxScore":9,"error":1},"keywordDensity":{"type":"best","score":9,"maxScore":9,"error":0}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"featured","og_image_url":"https:\/\/abchprod.wpengine.com\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x.png","og_image_width":"2000","og_image_height":"1380","og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"summary_large_image","twitter_image_type":"featured","twitter_image_url":"https:\/\/abchprod.wpengine.com\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x.png","twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":"#post_title #separator_sa #site_title","twitter_description":"Three of our auditors were commissioned by Helio to audit their protocol between May 16 and 20, 2022. Our review resulted in 8 findings.","schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"BlogPosting","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":"{\"article\":{\"articleType\":\"BlogPosting\"},\"course\":{\"name\":\"\",\"description\":\"\",\"provider\":\"\"},\"faq\":{\"pages\":[]},\"product\":{\"reviews\":[]},\"recipe\":{\"ingredients\":[],\"instructions\":[],\"keywords\":[]},\"software\":{\"reviews\":[],\"operatingSystems\":[]},\"webPage\":{\"webPageType\":\"WebPage\"},\"blockGraphs\":[]}","pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"limit_modified_date":false,"ai":null,"created":"2022-08-23 10:31:01","updated":"2025-02-19 12:40:06","breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/ackee.xyz\/blog\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/ackee.xyz\/blog\/category\/solana\/\" title=\"Solana\">Solana<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tHelio Protocol Audit Summary\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/ackee.xyz\/blog"},{"label":"Solana","link":"https:\/\/ackee.xyz\/blog\/category\/solana\/"},{"label":"Helio Protocol Audit Summary","link":"https:\/\/ackee.xyz\/blog\/helio-protocol-audit-summary\/"}],"featured_image_src":"https:\/\/ackee.xyz\/blog\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x-600x400.png","featured_image_src_square":"https:\/\/ackee.xyz\/blog\/wp-content\/uploads\/2022\/08\/ABCH-helio@2x-600x600.png","author_info":{"display_name":"Andrea Nov\u00e1kov\u00e1","author_link":"https:\/\/ackee.xyz\/blog\/author\/andrea-novakova\/"},"_links":{"self":[{"href":"https:\/\/ackee.xyz\/blog\/wp-json\/wp\/v2\/posts\/248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ackee.xyz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ackee.xyz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ackee.xyz\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/ackee.xyz\/blog\/wp-json\/wp\/v2\/comments?post=248"}],"version-history":[{"count":0,"href":"https:\/\/ackee.xyz\/blog\/wp-json\/wp\/v2\/posts\/248\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ackee.xyz\/blog\/wp-json\/wp\/v2\/media\/275"}],"wp:attachment":[{"href":"https:\/\/ackee.xyz\/blog\/wp-json\/wp\/v2\/media?parent=248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ackee.xyz\/blog\/wp-json\/wp\/v2\/categories?post=248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ackee.xyz\/blog\/wp-json\/wp\/v2\/tags?post=248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}