La chute du cours du BTC a déclenché une vente massive d'altcoins, tandis que l'ADA a fait exception à la tendance générale

cryptonews.ruPublished on 2026-08-02Last updated on 2026-08-02

Abstract

Alors que le bitcoin (BTC) a terminé juillet avec une légère hausse de 4,5%, il a subi une chute soudaine le 31 juillet, passant de plus de 65 000 $ à 62 236 $. Cette baisse a réduit sa capitalisation boursière et a déclenché une vente générale sur le marché des cryptomonnaies. La plupart des altcoins à forte capitalisation, comme Ethereum (ETH), XRP et Solana, ont enregistré des pertes hebdomadaires comprises entre 2% et 3%. HYPE a même chuté de 12%. Cependant, Cardano (ADA) et BNB ont fait exception à cette tendance baissière, affichant respectivement une progression remarquable de 15,3% et de 2,4%. UNI, PUMP et BEAT ont également connu des hausses. La capitalisation boursière totale du marché des cryptomonnaies est passée d'un pic de 2,33 billions de dollars le 27 juillet à 2,22 billions le 2 août. Les perspectives restent assombries par l'incertitude réglementaire aux États-Unis, notamment concernant l'adoption de la loi CLARITY avant la pause parlementaire, ainsi que par les tensions géopolitiques au Moyen-Orient et des problèmes de sécurité comme les récents piratages de Coldcard.

Après une croissance à deux chiffres pendant la majeure partie de la fin du mois de juillet, le Bitcoin a clôturé le mois avec une modeste hausse de 4,5 %, compensant à peine les pertes depuis le début de l'année, qui s'élevaient à environ 30 % au 2 août. Bien que les derniers jours de juillet aient confirmé les attentes et aient été les plus riches en événements de l'année, la chute soudaine du 31 juillet a fait plonger les prix à 62 236 dollars, alors que la journée avait commencé au-dessus des 65 000 dollars.

La baisse de près de 3 000 dollars ce jour-là a entraîné une réduction de la capitalisation boursière du Bitcoin, passant d'un peu plus de 1 300 milliards de dollars à 1 260 milliards de dollars, soulignant la volatilité de la semaine durant laquelle le Comité fédéral du marché libre a voté pour maintenir les taux d'intérêt inchangés. Bien que les partisans d'une croissance maximale du Bitcoin prévoient toujours un rebond important dans la seconde moitié de 2026, les perspectives de retour de la crypto-monnaie à des niveaux inconnus depuis janvier, lorsqu'elle a presque atteint les 100 000 dollars, s'estompent, d'autant plus que le Sénat américain semble incapable de parvenir à un compromis sur la loi CLARITY.

En outre, les conflits non résolus au Moyen-Orient, qui semblent s'être étendus après que l'Arabie saoudite a mené des frappes au Yémen et que des drones ont touché des infrastructures égyptiennes, restent également un facteur clé affaiblissant les espoirs de reprise du Bitcoin.

Pendant ce temps, comme d'habitude, la dynamique des prix du Bitcoin au cours de la semaine s'est répercutée sur le marché des crypto-monnaies dans son ensemble. À l'exception de quelques pièces, la plupart des altcoins à forte capitalisation ont perdu entre 2 % et 3 % sur sept jours. L'Ethereum (ETH), qui était sur le point de franchir la barre des 2 000 dollars le 27 juillet, a terminé la semaine en baisse de 2,6 %, se négociant légèrement au-dessus de 1 860 dollars.

La pause du Sénat et les préoccupations en matière de sécurité assombrissent les perspectives

Le XRP, qui a eu du mal à tester le niveau de résistance de 1,20 dollar en juillet, a chuté de près de 2 %, tandis que le Solana a terminé la semaine avec une perte de 2,7 %. Le HYPE, l'un des rares altcoins à forte capitalisation ayant affiché une performance positive au cours des trois derniers mois et une hausse de plus de 100 % depuis le début de l'année, a enregistré la baisse la plus significative — 12 %. Le RAIN a été une autre pièce à forte capitalisation à subir des pertes à deux chiffres sur la semaine.

Le BNB et l'ADA ont été les deux altcoins à forte capitalisation à afficher une croissance notable : ils ont augmenté de 2,4 % et 15,3 % respectivement. L'UNI, en hausse de 8,6 %, a également progressé, tout comme le PUMP (16 %) et le BEAT (7,2 %).

Comme l'écrasante majorité des altcoins a terminé dans le rouge, la capitalisation boursière totale des altcoins est passée de près de 1 020 milliards de dollars à 964 milliards de dollars. Combinée à la baisse hebdomadaire du Bitcoin de 2,5 %, cela a conduit la capitalisation boursière agrégée de l'économie crypto à s'effondrer, passant d'un pic de près de 2 330 milliards de dollars le 27 juillet à 2 220 milliards de dollars le 2 août.

À l'approche de la pause du Sénat, certains acteurs de l'industrie des crypto-monnaies restent optimistes et estiment que la loi CLARITY sera adoptée avant que les législateurs ne partent en vacances. L'adoption du projet de loi est considérée comme un catalyseur potentiel de croissance pour le Bitcoin et le marché des crypto-monnaies dans son ensemble. Cependant, des événements imprévus, notamment les problèmes de sécurité liés aux récents piratages de Coldcard, et les tensions persistantes au Moyen-Orient, continueront d'exercer une pression sur le Bitcoin, rendant difficile l'atteinte même des prévisions de prix modestes pour la fin de l'année.

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Related Questions

QQuel a été l'impact principal de la chute soudaine du bitcoin le 31 juillet sur le marché des cryptomonnaies ?

ALa chute soudaine du bitcoin le 31 juillet, d'environ 3 000 dollars, a entraîné une vente massive d'altcoins et a fait chuter la capitalisation boursière totale du secteur de près de 2,33 billions de dollars le 27 juillet à 2,22 billions de dollars le 2 août.

QQuels sont les deux altcoins à grande capitalisation qui ont augmenté en dépit de la tendance baissière générale du marché ?

AMalgré la tendance baissière générale, le BNB et l'ADA ont augmenté de 2,4 % et 15,3 % respectivement au cours de la semaine.

QQuels facteurs externes, mentionnés dans l'article, continuent de peser sur les perspectives de reprise du bitcoin ?

ALes conflits non résolus au Moyen-Orient et les préoccupations en matière de sécurité, notamment liées aux récents piratages de Coldcard, sont des facteurs externes qui continuent de peser sur les perspectives de reprise du bitcoin.

QQuel événement législatif est considéré comme un catalyseur potentiel pour le marché des cryptomonnaies, et quel est son statut actuel selon l'article ?

AL'adoption du projet de loi CLARITY est considérée comme un catalyseur potentiel. Cependant, selon l'article, le Sénat américain semble dans l'impasse et incapable de trouver un compromis à son sujet avant la pause parlementaire.

QQuel altcoin a enregistré la baisse la plus importante parmi ceux à grande capitalisation lors de la semaine décrite, et quel était son pourcentage de perte ?

ALe HYPE a enregistré la baisse la plus importante parmi les altcoins à grande capitalisation, chutant de 12 % au cours de la semaine.

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