Documents that prove themselves.<\/h1>\n
Seal a document so it opens only when something happens. Send an invoice the chain checks without reading the amounts. Pick audit samples nobody can rig. Three tools, already working in the AB2BC wallet \u2014 here is how to use each one.<\/p>\n
Open the wallet<\/a>Read the how-tos<\/a>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Three tools” _builder_version=”4.27.4″ background_color=”#F4F6FD” custom_padding=”70px||70px||true|false” custom_padding_phone=”44px||44px||true|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ max_width=”900px” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” text_orientation=”center” global_colors_info=”{}”]<\/p>\n Each one keeps its proof on chain, so the other side can check it for themselves.<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ max_width=”1080px” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” background_color=”#FFFFFF” border_radii=”on|18px|18px|18px|18px” custom_padding=”30px|28px|30px|28px|true|true” box_shadow_style=”preset1″ box_shadow_blur=”28px” box_shadow_color=”rgba(17,22,58,0.10)” custom_margin=”||24px||false|false” global_colors_info=”{}”]<\/p>\n \ud83d\udd10<\/p>\n A note or file that opens only when an event is recorded, after a waiting period nobody vetoes, or while you consent.<\/p>\n How to seal one \u2192<\/a><\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” background_color=”#FFFFFF” border_radii=”on|18px|18px|18px|18px” custom_padding=”30px|28px|30px|28px|true|true” box_shadow_style=”preset1″ box_shadow_blur=”28px” box_shadow_color=”rgba(17,22,58,0.10)” custom_margin=”||24px||false|false” global_colors_info=”{}”]<\/p>\n \ud83e\uddfe<\/p>\n The chain checks every line is a valid amount and that they add up \u2014 without anyone reading them. The buyer acknowledges on chain.<\/p>\n How to send one \u2192<\/a><\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” background_color=”#FFFFFF” border_radii=”on|18px|18px|18px|18px” custom_padding=”30px|28px|30px|28px|true|true” box_shadow_style=”preset1″ box_shadow_blur=”28px” box_shadow_color=”rgba(17,22,58,0.10)” custom_margin=”||24px||false|false” global_colors_info=”{}”]<\/p>\n \ud83c\udfb2<\/p>\n Fix a list first; the chain picks what to check only once the list can no longer change. Anyone can verify the draw.<\/p>\n How to run one \u2192<\/a><\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Before you start” _builder_version=”4.27.4″ background_color=”#FFFFFF” custom_padding=”70px||70px||true|false” custom_padding_phone=”44px||44px||true|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ max_width=”1080px” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” global_colors_info=”{}”]<\/p>\n Step 0<\/span><\/p>\n The document tools live in the Ace<\/strong> wallet, in a browser.<\/p>\n Use the web wallet: sealing files and making invoice proofs happen on your own device, in the browser. The tools run on the AB2BC test network today.<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Seal a document that opens only when it should” _builder_version=”4.27.4″ background_color=”#F4F6FD” custom_padding=”70px||70px||true|false” custom_padding_phone=”44px||44px||true|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ max_width=”1080px” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” global_colors_info=”{}”]<\/p>\n How-to 1<\/span><\/p>\n Pick when it opens<\/strong>, name who may read it<\/strong>, add the document \u2014 the chain enforces the rest.<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Send a confidential invoice” _builder_version=”4.27.4″ background_color=”#FFFFFF” custom_padding=”70px||70px||true|false” custom_padding_phone=”44px||44px||true|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ max_width=”1080px” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” global_colors_info=”{}”]<\/p>\n How-to 2<\/span><\/p>\n The chain checks that every line is a valid amount and that the lines add up to the total \u2014 without anyone reading the amounts. Only you and the buyer see them.<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Run an audit sample nobody can rig” _builder_version=”4.27.4″ background_color=”#F4F6FD” custom_padding=”70px||70px||true|false” custom_padding_phone=”44px||44px||true|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ max_width=”1080px” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” global_colors_info=”{}”]<\/p>\n How-to 3<\/span><\/p>\n Choosing what to check after seeing the list invites cherry-picking. Here the list is fixed first, and the chain draws later.<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Good to know” _builder_version=”4.27.4″ background_color=”#FFFFFF” custom_padding=”70px||70px||true|false” custom_padding_phone=”44px||44px||true|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ max_width=”1080px” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” background_color=”#FFFFFF” border_radii=”on|18px|18px|18px|18px” custom_padding=”30px|28px|30px|28px|true|true” box_shadow_style=”preset1″ box_shadow_blur=”28px” box_shadow_color=”rgba(17,22,58,0.10)” custom_margin=”||24px||false|false” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” global_colors_info=”{}”]<\/p>\n No. The chain stores commitments and a proof that they are valid and add up; the amounts are only in the invoice file you and the buyer hold.<\/p>\n An AB2BC wallet. You add their wallet address; they sign in with it to open.<\/p>\n Each step is a small on-chain transaction paid from your wallet’s network balance (test tokens on the test network).<\/p>\n Open the wallet<\/a>Talk to us<\/a>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”More” _builder_version=”4.27.4″ background_color=”#FFFFFF” custom_padding=”70px||70px||true|false” custom_padding_phone=”44px||44px||true|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ max_width=”1000px” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_font_size=”17px” text_font_size_phone=”16px” text_line_height=”1.7em” text_text_color=”#3A3F55″ link_text_color=”#2B4BD8″ header_font_size=”52px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” header_2_font_size=”34px” header_2_font_size_phone=”26px” header_2_font_size_last_edited=”on|phone” header_3_font_size=”21px” header_text_color=”#11163A” header_2_text_color=”#11163A” header_3_text_color=”#11163A” header_line_height=”1.15em” header_2_line_height=”1.25em” header_3_line_height=”1.35em” global_colors_info=”{}”]<\/p>\n More AB2BC categories: Restaurants<\/a> \u00b7 Services<\/a> \u00b7 AI<\/a> \u00b7 Healthcare<\/a> \u00b7 Pharmacy<\/a><\/p>\n Good to know.<\/strong> AB2BC runs on test networks today, so payments and rewards are for trying things out. Rewards are not investments, not income and not refunds; their value can go down as well as up. Not offered in mainland China. AB2BC<\/a> \u00b7 CITC Join<\/a> \u00b7 Contact<\/a><\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":" \u2705 Open \u2014 on the test networkDocuments that prove themselves.Seal a document so it opens only when something happens. Send an invoice the chain checks without reading the amounts. Pick audit samples nobody can rig. Three tools, already working in the AB2BC wallet \u2014 here is how to use each one.Open the walletRead the how-tosThree […]<\/p>\n","protected":false},"author":2,"featured_media":92,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"locked documents","_yoast_wpseo_title":"AB2BC Documents \u2014 Locked Documents, Private Invoices, Audits","_yoast_wpseo_metadesc":"Seal documents that open only when something happens, send invoices the chain checks unread, and draw audit samples nobody can rig. Step-by-step how-tos.","_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_opengraph-image":"https:\/\/ab2bc.com\/documents\/wp-content\/uploads\/sites\/46\/2026\/10\/documents-locked-new.jpg","_yoast_wpseo_opengraph-image-id":"92","_yoast_wpseo_twitter-image":"https:\/\/ab2bc.com\/documents\/wp-content\/uploads\/sites\/46\/2026\/10\/documents-locked-new.jpg","_yoast_wpseo_twitter-image-id":"92","_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-22","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nThree tools, already in your wallet<\/h2>\n
Locked documents<\/h3>\n
Confidential invoice<\/h3>\n
Audit sample<\/h3>\n
Find the tools<\/h2>\n
\n
![\"The](\"https:\/\/ab2bc.com\/documents\/wp-content\/uploads\/sites\/46\/2026\/10\/documents-apps.jpg\")
<\/p>\n![\"New](\"https:\/\/ab2bc.com\/documents\/wp-content\/uploads\/sites\/46\/2026\/10\/documents-locked-new.jpg\")
<\/p>\nSeal a document that opens only when it should<\/h2>\n
\n
\n
Send a confidential invoice<\/h2>\n
\n
![\"Confidential](\"https:\/\/ab2bc.com\/documents\/wp-content\/uploads\/sites\/46\/2026\/10\/documents-invoice.jpg\")
<\/p>\n![\"Audit](\"https:\/\/ab2bc.com\/documents\/wp-content\/uploads\/sites\/46\/2026\/10\/documents-audit.jpg\")
<\/p>\nRun an audit sample nobody can rig<\/h2>\n
\n
Honest limits<\/h2>\n
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Questions<\/h2>\n
Can anyone read the amounts on chain?<\/h3>\n
What does the reader need?<\/h3>\n
Does it cost anything?<\/h3>\n