{"id":2882,"date":"2026-07-17T17:58:56","date_gmt":"2026-07-17T17:58:56","guid":{"rendered":"https:\/\/oneclick-services.com\/detailed-secure-transaction-protocol\/"},"modified":"2026-09-28T16:52:12","modified_gmt":"2026-09-28T16:52:12","slug":"detailed-secure-transaction-protocol","status":"publish","type":"page","link":"https:\/\/oneclick-services.com\/en\/detailed-secure-transaction-protocol\/","title":{"rendered":"Detailed Secure Transaction Protocol"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">    .<\/p>\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">\ud83d\udc64<strong>PARTIES<\/strong><\/mark><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-8-color\"><br\/>A: seller<br\/>B: buyer<br\/>C: seller A&#8217;s trusted person<br\/>D: buyer B&#8217;s trusted person<br\/>Platform: neutral arbiter<\/mark><\/p>\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\ud83c\udfaf<strong> System OBJECTIVE:<\/strong><br\/>The main goal of the system is to:<br\/>\u2705secure exchanges;<br\/>\u2705protect buyers and sellers;<br\/>\u2705prevent scams;<\/mark><\/p>\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">The payment is temporarily held by the platform until the final validation of the transaction following the physical exchange.<\/mark> <\/p>\n\n<p class=\"wp-block-paragraph\">==============================================================================<\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<p class=\"wp-block-paragraph\">1\ufe0f\u20e3<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">&#8211; AD POSTING and transaction area display<\/mark><\/strong><br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">The author publishes an ad based on the category:<br\/>&#8220;Offer_item&#8221;: the author owns an item and wishes to sell it.<br\/>&#8220;Seek_item&#8221;: the author wishes to buy an item and has the funds available.<br\/>A marked area automatically appears in the ad containing respectively:<br\/>a &#8220;Request &amp; Pay\ud83d\udcb3&#8221; button allows a buyer to make a request by making the secure payment.<br\/>a &#8220;Make an offer \u27a1\ufe0f&#8221; button allows a seller to make an offer to the buyer, who can then make the request following the seller&#8217;s offer.<\/mark><\/p>\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">2\ufe0f\u20e3 &#8211; STARTING THE TRANSACTION &#8211; Transaction request by the buyer<\/mark><\/strong><br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">The secure transaction starts when the transfer is made by the buyer. <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-8-color\"> <\/mark><br\/>It is considered in progress once the seller has accepted the buyer&#8217;s request.<\/mark><\/p>\n\n<p class=\"wp-block-paragraph\">Conditions before starting a transaction<br\/>&#8211; The platform automatically verifies several conditions: the user must be logged in;<br\/>&#8211; the seller cannot buy their own ad;<br\/>&#8211; an ad already in a transaction process cannot receive a new request or offer;<br\/>&#8211; a completed ad is no longer available.<mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\"><br\/><br\/>\ud83d\udcacBefore starting a transaction, i.e., making the transfer, the buyer is advised to contact the seller beforehand to agree on the date and location of the physical exchange.<br\/>Then the buyer: chooses a physical meeting date from the presented calendar\ud83d\udcc5 (The physical transaction date must be within an authorized window of maximum 4 days).<br\/>Next: sends a transaction request &#8211; immediately makes the secure payment\ud83d\udcb3.<br\/>The payment is then temporarily locked<mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">\ud83d\udd10<\/mark>by the platform (not immediately transferred to the seller);<\/mark><\/p>\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">3\ufe0f\u20e3 &#8211; RESPONSE TO THE TRANSACTION REQUEST <\/mark><\/strong><br\/><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-8-color\">Once the payment is held:<br\/>both the seller and the buyer receive a notification email;<br\/>In the &#8220;My Requests&#8221; page within the transaction folder of the user area:<br\/>The seller can: accept or refuse the request.<br\/>If the seller refuses \u274c:<br\/>the transaction is canceled; the payment is automatically refunded to the buyer.<br\/>(The buyer can also cancel the request. If they do, the payment will be directly refunded to them.)<br\/>If the seller accepts \u2705:<br\/>the transaction status changes to: &#8220;pending_validation&#8221;. (-&gt; Ad marked as transaction in progress\ud83d\udd04)<br\/>Both parties then receive their secure PDF documents automatically generated by the platform:<\/mark><\/p>\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udcc4<mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">The transaction contract: containing the transaction number and other transaction information (The transaction contract is automatically concluded when the buyer makes the transfer while sending the request and the seller accepts it.)<\/mark><\/li>\n\n\n\n<li>\ud83d\udcc4<mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">The transaction slip: containing security elements used to secure the physical exchange and validate the transaction.<br\/>Users can track all their operations on the &#8220;My Transactions&#8221; page located in <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-8-color\">the transaction folder of their respective user area<\/mark>.<\/mark><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">4\ufe0f\u20e3 &#8211; PHYSICAL MEETING between buyer and seller or trusted persons &#8211; SIMULTANEOUS EXCHANGE\ud83d\udea8 ITEM for CODE<\/mark><\/strong><\/p>\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"590\" height=\"603\" src=\"https:\/\/oneclick-services.com\/wp-content\/uploads\/2026\/07\/image-10.png\" alt=\"\" class=\"wp-image-1719\" style=\"aspect-ratio:0.9784824462061155;width:118px;height:auto\" srcset=\"https:\/\/oneclick-services.com\/wp-content\/uploads\/2026\/07\/image-10.png 590w, https:\/\/oneclick-services.com\/wp-content\/uploads\/2026\/07\/image-10-294x300.png 294w, https:\/\/oneclick-services.com\/wp-content\/uploads\/2026\/07\/image-10-303x310.png 303w, https:\/\/oneclick-services.com\/wp-content\/uploads\/2026\/07\/image-10-103x105.png 103w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">During the physical meeting:<br\/>\ud83d\udc64The buyer has: \ud83d\udcc4the transaction slip featuring the validation codes (the full SCS Code as well as the full QR Code) allowing for the final validation of the transaction, to be handed to the seller.<br\/>\ud83d\udc64The seller has: \ud83d\udcc4<mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">the transaction slip featuring <\/mark>certain secret positions of the SCS Code and a QR Code snippet (This allows them to verify that the information provided is authentic), and \ud83d\udce6the item to be handed to the buyer.<br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">N.B.\u26a0\ufe0f<\/mark>The exchange of the slip by the buyer for the item by the seller is done SIMULTANEOUSLY\u2757by both parties. (Both parties are required to ensure the SIMULTANEOUS nature of the physical exchange, and ONECLICK Services cannot be held responsible for any leak by either party due to this measure not being respected.) <\/mark><\/p>\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">5\ufe0f\u20e3 &#8211; FINAL TRANSACTION VALIDATION <\/mark><\/strong><br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">After the physical exchange, the seller must proceed with the final validation of the transaction.<br\/>This is done in 3 steps:<br\/>Step 1: \ud83d\udcccthe seller enters the unique transaction ID,<br\/>Step 2: \ud83d\udcccthen enters the SCS Code provided by the buyer,<br\/>Step 3: \ud83d\udcccfinally scans the secure QR Code.<\/mark><\/p>\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">6\ufe0f\u20e3 &#8211; PAYMENT RELEASE<\/mark><\/strong><br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">When:<br\/>\u2705the SCS Code is correct;<br\/>\u2705the QR Code is valid;<br\/>the platform:<br\/>\u2714\ufe0fdefinitively validates the transaction;<br\/>releases the Stripe payment;<br\/>\ud83d\udcb6transfers the money to the seller&#8217;s account. (N.B:\u2139\ufe0fTransfers made by the platform to users&#8217; accounts may take about 7 days to arrive in the associated bank account.) (Exact times depend on: the buyer&#8217;s bank, the payment network used, the payment provider)<br\/>\ud83d\udce7Both users receive a confirmation of the validated transaction by email along with a \ud83e\uddfereceipt for the fees or commission deducted by the platform during the transaction.<\/mark><\/p>\n\n<p class=\"wp-block-paragraph\">==============================================================================<\/p>\n\n<p class=\"wp-block-paragraph\">.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u274cCancellation of the transaction in progress<\/mark><\/strong><br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">Cancellation by the buyer<\/mark><br\/>The buyer can request cancellation before the final validation of a transaction in progress.<br\/><strong>The seller must <\/strong>then: <strong>confirm the cancellation<\/strong>; or validate the transaction if the exchange has actually taken place.<br\/>If the seller confirms: the payment is refunded to the buyer.<br\/>If the seller does not respond: the refund is automatically processed after the 3-day deadline expires.<br\/>If the exchange has actually taken place, the seller can validate the transaction, and the payment is directly transferred to the seller.<br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">Cancellation by the seller<\/mark><br\/>The seller can also cancel the transaction while it is in progress.<br\/>In this case: the buyer is automatically refunded;<br\/><strong>However, the seller is temporarily blocked \ud83d\udeab<\/strong>; they can no longer post new ads for a set period of 3 days. (This measure is in place to ensure fairness between both parties\u2696\ufe0f; otherwise, only the buyer would be disadvantaged, since transfers initiated by the platform to user accounts take a few days to reach the associated bank accounts.<br\/>Once the period is over, they automatically regain posting access.  <\/p>\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u23f3Automatic Expirations<\/mark><\/strong><br\/>(The system specifically allows for: automating refunds; avoiding blocked transactions; protecting users in case of no response; automatically cleaning up old transaction data.)<br\/><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-3-color\"><strong>Request Expiration<\/strong><\/mark><br\/>If the seller does not respond to the transaction or cancellation request within 3 days: the request expires automatically; the buyer is refunded; both parties receive a notification.<br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">\u23f0<\/mark><mark style=\"background-color:rgba(0, 0, 0, 0);color:#ff6900\" class=\"has-inline-color\"><strong>Failure to validate payment by the seller!!!! <\/strong><\/mark>(\ud83d\udea8Warning for the seller!!!)<br\/>After the scheduled physical transaction date, the seller must confirm that the transaction went well in order to validate the payment.<br\/>If no validation is performed within<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-3-color\"> 3 days <\/mark>following the scheduled exchange date:<br\/>the platform considers that the transaction likely did not take place;<br\/>\u26a0\ufe0f<mark style=\"background-color:rgba(0, 0, 0, 0);color:#ff6900\" class=\"has-inline-color\">the payment is automatically canceled; the buyer is refunded<\/mark><mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">\u2757<\/mark>;<br\/>an email is sent to the seller and the buyer to inform them of the deadline expiration.<br\/>This system is in place to ensure the optimal functioning of the service when the transaction is not confirmed.<\/p>\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>\u23f1\ufe0fTotal process duration<\/strong><\/mark><br\/>The total duration of the transaction process (from the day of the transfer to the day of payment release\/final transaction validation) is a \ud83d\udcc5<strong>maximum of 7 days<\/strong>:<br\/>&#8211; 4 days maximum interval: from the day of the request to the physical transaction date<br\/>&#8211; 3 days maximum delay: from the day of the physical transaction to the final transaction validation<\/p>\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\ud83d\udcb0The commission<\/mark><\/strong> is only earned by the platform <strong>once the transaction is definitively validated<\/strong>\/payment released to the seller. <\/p>\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\ud83d\uddd1\ufe0fAutomatic deletion of old transactions<\/mark><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-3-color\"><br\/>To limit unnecessary data storage and keep the platform clean and efficient:<br\/>transactions older than <strong>12 months <\/strong>are automatically deleted;<br\/>PDF files associated with transactions (buyer and seller documents) are also permanently deleted.<br\/>This deletion is performed automatically by the system.<\/mark><\/p>\n\n<p class=\"wp-block-paragraph\">==============================================================================<\/p>\n\n<p class=\"wp-block-paragraph\">.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">Why is ONECLICK Services secure \ud83d\udee1\ufe0f?<\/mark><\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">\u274c<mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">Attempted fraud &#8211;&gt; \ud83d\udeabWhy it fails:<\/mark><\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u274c<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">If A receives the code but does not give the item &#8211;&gt; <mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">\ud83d\udeab<\/mark>Impossible, because the exchange is SIMULTANEOUS.<\/mark><\/li>\n\n\n\n<li>\u274c<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">If B receives the item but does not give the code &#8211;&gt; <mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">\ud83d\udeab<\/mark>Impossible, because the exchange is SIMULTANEOUS.<\/mark><\/li>\n\n\n\n<li>\u274c<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">If A does not hand over the item but wants to claim payment (claiming to have handed it over) &#8211;&gt; <mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">\ud83d\udeab<\/mark>The proof that they handed over the item is the fact that they hold the code; -&gt; they do not have it, therefore they did not hand over the item, consequently no payment to A.<\/mark><\/li>\n\n\n\n<li>\u274c<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">If B receives the item but wants to cancel the transaction (claiming not to have received it) &#8211;&gt; <mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">\ud83d\udeab<\/mark>they must receive confirmation from A; -&gt; A does not confirm because they hold the code, consequently no refund to B.<\/mark><\/li>\n\n\n\n<li>\u274c<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">If A wants to deny B&#8217;s cancellation even though the exchange did not take place (claiming that it did) &#8211;&gt; <mark style=\"background-color:rgba(0, 0, 0, 0);color:#000000\" class=\"has-inline-color\">\ud83d\udeab<\/mark>The proof that the exchange took place is the fact that they hold the code &#8211; they must therefore enter it; -&gt; they do not have it, consequently unable to deny it.<\/mark><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">\u2705 <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">SIMULTANEOUS exchange item for code &#8211;&gt; Consequence: \ud83d\udc49 No unilateral event allows for a gain. <\/mark> <\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>. \ud83d\udc64PARTIESA: sellerB: buyerC: seller A&#8217;s trusted personD: buyer B&#8217;s trusted personPlatform: neutral arbiter \ud83c\udfaf System OBJECTIVE:The main goal of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-2882","page","type-page","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\". \ud83d\udc64PARTIESA: sellerB: buyerC: seller A&#039;s trusted personD: buyer B&#039;s trusted personPlatform: neutral arbiter \ud83c\udfaf System OBJECTIVE:The main goal of the system is to:\u2705secure exchanges;\u2705protect buyers and sellers;\u2705prevent scams; 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