{"id":1435,"date":"2021-05-30T21:38:54","date_gmt":"2021-05-30T19:38:54","guid":{"rendered":"https:\/\/simplecryptoguide.com\/?page_id=1435"},"modified":"2026-10-25T18:43:41","modified_gmt":"2026-10-25T17:43:41","slug":"what-is-decentralized-finance-defi","status":"publish","type":"post","link":"https:\/\/simplecryptoguide.com\/fr\/what-is-decentralized-finance-defi\/","title":{"rendered":"Comprendre la DeFi : \u00e9changes, pr\u00eats et risques associ\u00e9s"},"content":{"rendered":"<div data-no-translation><p>[et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-learning-page&#8221; custom_padding=&#8221;40px||40px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; background_color=&#8221;#fff8d8&#8243;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;2_3,1_3&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; module_class=&#8221;scg-learning-hero&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;2_3&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221; header_font_size=&#8221;42px&#8221; header_font_size_phone=&#8221;32px&#8221; header_font_size_last_edited=&#8221;on|phone&#8221; header_line_height=&#8221;1.16em&#8221;]<\/p>\n<div class=\"scg-learning-breadcrumb\"><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div>\n<h1>Comprendre la DeFi : \u00e9changes, pr\u00eats et risques associ\u00e9s<\/h1>\n<p>La finance d\u00e9centralis\u00e9e utilise des contrats blockchain pour coordonner \u00e9changes, pr\u00eats et autres activit\u00e9s financi\u00e8res. Suivez actifs et autorisations pour comprendre \u00e0 quoi vous faites confiance \u00e0 chaque \u00e9tape.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;1_3&#8243;][et_pb_image _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; src=&#8221;https:\/\/simplecryptoguide.com\/wp-content\/uploads\/2026\/10\/defi-decentralized-finance.png&#8221; alt=&#8221;Coffres reli\u00e9s et fl\u00e8ches d\u2019\u00e9change illustrant la finance d\u00e9centralis\u00e9e&#8221; title_text=&#8221;Coffres reli\u00e9s et fl\u00e8ches d\u2019\u00e9change illustrant la finance d\u00e9centralis\u00e9e&#8221; align=&#8221;center&#8221; max_width=&#8221;260px&#8221; max_width_phone=&#8221;200px&#8221; max_width_last_edited=&#8221;on|phone&#8221; custom_margin=&#8221;0px|auto|0px|auto|true|true&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-learning-page&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;swap-walkthrough&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>Suivre un \u00e9change du portefeuille au r\u00e9sultat<\/h2>\n<div class=\"scg-learning-grid scg-learning-paths\">\n<div class=\"scg-learning-card\"><span class=\"scg-learning-number\" aria-hidden=\"true\">1<\/span><\/p>\n<h3>Choisir le r\u00e9seau<\/h3>\n<p>Utilisez un portefeuille, une version d\u2019actif et un jeton de frais compatibles avec le protocole. Un jeton sur un autre r\u00e9seau n\u2019y devient pas automatiquement utilisable.<\/p>\n<\/div>\n<div class=\"scg-learning-card\"><span class=\"scg-learning-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>Examiner la cotation<\/h3>\n<p>V\u00e9rifiez entr\u00e9e, sortie attendue, minimum re\u00e7u, impact sur le prix, itin\u00e9raire et frais de r\u00e9seau. La liquidit\u00e9 \u00e9volue ; la cotation affich\u00e9e n\u2019est pas une promesse inconditionnelle.<\/p>\n<\/div>\n<div class=\"scg-learning-card\"><span class=\"scg-learning-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>V\u00e9rifier les autorisations<\/h3>\n<p>Si une approbation est n\u00e9cessaire, v\u00e9rifiez contrat autoris\u00e9 et plafond avant l\u2019\u00e9change. Connecter un portefeuille, autoriser une d\u00e9pense et ex\u00e9cuter l\u2019\u00e9change sont des actions distinctes.<\/p>\n<\/div>\n<div class=\"scg-learning-card\"><span class=\"scg-learning-number\" aria-hidden=\"true\">4<\/span><\/p>\n<h3>V\u00e9rifier le r\u00e9sultat<\/h3>\n<p>Contr\u00f4lez statut et actifs r\u00e9ellement re\u00e7us dans le bon explorateur. Une transaction \u00e9chou\u00e9e peut tout de m\u00eame co\u00fbter des frais de r\u00e9seau. R\u00e9examinez les autorisations devenues inutiles.<\/p>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-learning-page&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;30px|30px|30px|30px|true|true&#8221; module_class=&#8221;scg-learning-panel&#8221; background_color=&#8221;#fff8d8&#8243; custom_padding_phone=&#8221;22px|18px|22px|18px|true|true&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; border_radii=&#8221;on|16px|16px|16px|16px&#8221; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;#e5d89e&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>D\u2019o\u00f9 vient le rendement ?<\/h2>\n<div class=\"scg-learning-table\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">Activit\u00e9<\/th>\n<th scope=\"col\">Source possible du rendement<\/th>\n<th scope=\"col\">Principales expositions<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Pr\u00eat<\/td>\n<td>Int\u00e9r\u00eats des emprunteurs et parfois jetons d\u2019incitation.<\/td>\n<td>Cr\u00e9ances irr\u00e9couvrables, variations des garanties, changements de taux et risque du contrat.<\/td>\n<\/tr>\n<tr>\n<td>Fourniture de liquidit\u00e9<\/td>\n<td>Frais d\u2019\u00e9change et parfois jetons d\u2019incitation.<\/td>\n<td>Variations de prix, perte impermanente, activit\u00e9 de n\u00e9gociation et risque du contrat.<\/td>\n<\/tr>\n<tr>\n<td>Staking<\/td>\n<td>R\u00e9compenses du protocole pour s\u00e9curiser un r\u00e9seau en preuve d\u2019enjeu.<\/td>\n<td>Performance du validateur, p\u00e9nalit\u00e9s, r\u00e8gles de retrait et \u00e9ventuel interm\u00e9diaire.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Un produit nomm\u00e9 \u00ab staking \u00bb peut \u00eatre un pr\u00eat ou un programme de rendement avec conservation par un tiers. Lisez ce qui arrive aux actifs. Des r\u00e9compenses vers\u00e9es dans un jeton en baisse peuvent perdre de la valeur m\u00eame si le solde affich\u00e9 augmente.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-learning-page&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;collateral-example&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;30px|30px|30px|30px|true|true&#8221; module_class=&#8221;scg-learning-panel&#8221; background_color=&#8221;#fff8d8&#8243; custom_padding_phone=&#8221;22px|18px|22px|18px|true|true&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; border_radii=&#8221;on|16px|16px|16px|16px&#8221; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;#e5d89e&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>Exemple chiffr\u00e9 : la garantie peut devenir insuffisante<\/h2>\n<p>Dans un pr\u00eat simplifi\u00e9, la garantie vaut 1 000 dollars, la dette 500 et le seuil de liquidation 80 pour cent. Facteur de sant\u00e9 = valeur de garantie \u00d7 seuil \u00f7 dette. Initialement : 1 000 \u00d7 0,80 \u00f7 500 = 1,60.<\/p>\n<p>Si la garantie tombe \u00e0 600 dollars et la dette reste \u00e0 500, le r\u00e9sultat est 0,96. Avec une r\u00e8gle autorisant la liquidation sous 1, tout ou partie de la position peut \u00eatre liquid\u00e9, avec des co\u00fbts. C\u2019est un mod\u00e8le hypoth\u00e9tique, pas un param\u00e8tre cit\u00e9 d\u2019une plateforme.<\/p>\n<p>Int\u00e9r\u00eats, prix d\u2019oracles, garanties multiples et r\u00e8gles propres au protocole modifient le calcul r\u00e9el. Un chiffre sup\u00e9rieur \u00e0 1 ne garantit pas la s\u00e9curit\u00e9 face \u00e0 un mouvement rapide. Comprenez les conditions de sortie et de liquidation avant d\u2019emprunter.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-learning-page&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>Examiner toute la cha\u00eene de d\u00e9pendances<\/h2>\n<div class=\"scg-learning-grid\">\n<div class=\"scg-learning-card\">\n<h3>Interface et portefeuille<\/h3>\n<p>V\u00e9rifiez domaine, source du logiciel et demande de signature. Un site d\u2019hame\u00e7onnage peut copier le nom d\u2019un protocole l\u00e9gitime.<\/p>\n<\/div>\n<div class=\"scg-learning-card\">\n<h3>Contrat et gouvernance<\/h3>\n<p>Lisez audits, autorisations et contr\u00f4les des mises \u00e0 niveau. Un audit r\u00e9duit certaines incertitudes ; il ne garantit pas la s\u00e9curit\u00e9 et ne couvre pas toutes les modifications ult\u00e9rieures.<\/p>\n<\/div>\n<div class=\"scg-learning-card\">\n<h3>Prix, ponts et garanties<\/h3>\n<p>Identifiez d\u00e9pendances aux oracles, actifs transf\u00e9r\u00e9s par pont et concentration des garanties. Une panne externe peut toucher un protocole qui fonctionne autrement comme pr\u00e9vu.<\/p>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-learning-page&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>Acheter un jeton DeFi n\u2019est pas utiliser la DeFi<\/h2>\n<p>Un jeton de gouvernance ou d\u2019utilit\u00e9 ne donne pas automatiquement droit aux revenus, \u00e0 un d\u00e9p\u00f4t ou \u00e0 une protection contre les pertes. \u00c9tudiez droits, \u00e9volution de l\u2019offre et utilisation r\u00e9elle ind\u00e9pendamment de la popularit\u00e9 du protocole. La DeFi existe sur plusieurs r\u00e9seaux ; Ethereum a termin\u00e9 son passage \u00e0 la preuve d\u2019enjeu en 2022.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-learning-page&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;30px|30px|30px|30px|true|true&#8221; module_class=&#8221;scg-learning-panel&#8221; background_color=&#8221;#fff8d8&#8243; custom_padding_phone=&#8221;22px|18px|22px|18px|true|true&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; border_radii=&#8221;on|16px|16px|16px|16px&#8221; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;#e5d89e&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>Mettre cette le\u00e7on en pratique<\/h2>\n<p>Exercice : retracez un \u00e9change hypoth\u00e9tique, listez autorisations et co\u00fbts, puis expliquez comment sortir. \u00c9tudiez liquidit\u00e9 et portefeuilles avant un protocole inconnu. Notre calculateur estime les co\u00fbts de n\u00e9gociation sur plateforme ; il ne mod\u00e9lise ni gaz DeFi, ni risque de pr\u00eat, ni liquidation.<\/p>\n<div class=\"scg-learning-actions\"><a href=\"https:\/\/simplecryptoguide.com\/fr\/explication-de-l-ecart-entre-les-offres-et-le-slippage\/#liquidity-example\" class=\"scg-learning-button\">Liquidit\u00e9 et glissement <span aria-hidden=\"true\">\u2192<\/span><\/a><a href=\"https:\/\/simplecryptoguide.com\/fr\/categorie\/comment-acheter\/buy-defi\/\" class=\"scg-learning-button\">Explorer les actifs DeFi <span aria-hidden=\"true\">\u2192<\/span><\/a><\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-learning-page&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h3>Passer d\u2019une plateforme \u00e0 un portefeuille<\/h3>\n<p>L\u2019achat sur une plateforme n\u2019est que l\u2019\u00e9tape de financement. V\u00e9rifiez s\u00e9par\u00e9ment r\u00e9seau de retrait et destination avant d\u2019interagir avec un protocole.<\/p>\n<p><a href=\"https:\/\/www.coinbase.com\/join\/hansso_p\" rel=\"sponsored nofollow noopener\" target=\"_blank\">Coinbase<\/a><\/p>\n<p>Certains liens sont affili\u00e9s. Nous pouvons percevoir une commission si vous vous inscrivez ou effectuez une op\u00e9ration par leur interm\u00e9diaire.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-learning-page&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>Sources et v\u00e9rification<\/h2>\n<p>V\u00e9rifi\u00e9 le 25 octobre 2026. Les exemples sont hypoth\u00e9tiques. Avant d\u2019agir, consultez les instructions, r\u00e9seaux pris en charge et conditions actuelles du prestataire.<\/p>\n<ul class=\"scg-learning-sources\">\n<li><a href=\"https:\/\/ethereum.org\/defi\/\" target=\"_blank\" rel=\"noopener\">Ethereum.org<\/a><\/li>\n<li><a href=\"https:\/\/aave.com\/help\/borrowing\/liquidations\" target=\"_blank\" rel=\"noopener\">Aave<\/a><\/li>\n<li><a href=\"https:\/\/support.metamask.io\/hc\/en-us\/articles\/4446106184731\" target=\"_blank\" rel=\"noopener\">MetaMask<\/a><\/li>\n<li><a href=\"https:\/\/ethereum.org\/roadmap\/merge\/\" target=\"_blank\" rel=\"noopener\">Ethereum.org \u2014 The Merge<\/a><\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-learning-page&#8221; custom_padding=&#8221;0px||0px||true|false&#8221; 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Suivez actifs et autorisations pour comprendre \u00e0 quoi vous faites confiance \u00e0 chaque \u00e9tape.<\/p>\n","protected":false},"author":1,"featured_media":3757,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[98],"tags":[360,809,129,130],"class_list":["post-1435","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-intermediate","tag-amm","tag-decentralized-finance","tag-defi","tag-dex"],"_links":{"self":[{"href":"https:\/\/simplecryptoguide.com\/fr\/wp-json\/wp\/v2\/posts\/1435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/simplecryptoguide.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/simplecryptoguide.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/simplecryptoguide.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/simplecryptoguide.com\/fr\/wp-json\/wp\/v2\/comments?post=1435"}],"version-history":[{"count":1,"href":"https:\/\/simplecryptoguide.com\/fr\/wp-json\/wp\/v2\/posts\/1435\/revisions"}],"predecessor-version":[{"id":18743,"href":"https:\/\/simplecryptoguide.com\/fr\/wp-json\/wp\/v2\/posts\/1435\/revisions\/18743"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/simplecryptoguide.com\/fr\/wp-json\/wp\/v2\/media\/3757"}],"wp:attachment":[{"href":"https:\/\/simplecryptoguide.com\/fr\/wp-json\/wp\/v2\/media?parent=1435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/simplecryptoguide.com\/fr\/wp-json\/wp\/v2\/categories?post=1435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/simplecryptoguide.com\/fr\/wp-json\/wp\/v2\/tags?post=1435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}