Due to the adjustment of the company's development strategy, CloverPool (formerly BTC.com) has started anew and has been fully updated to a new brand and new domain name to continue to provide high-quality services to our customers.
USD($)Français
Résumé
Statut
Confirmé
Entrée
1.24879828 BTC
Sortie
1.24827440 BTC
Sigops
154
Frais
0.00052388 BTC
Taux de Frais(BTC/kVB)
0.00008025 BTC
Autres Explorateurs
Transaction
Entrée (2)1.24879828 BTC
Sortie (197)1.24827440 BTC
- 0.00201277
- 0.00087259
- 0.00045124
- 0.00299193
- 0.00310146
- 0.00129514
- 0.00241803
- 0.00314862
- 0.00016694
- 0.00009462
- 0.00010513
- 0.00029992
- 0.00021027
- 0.00097000
- 0.00057819
- 0.00117654
- 0.00006476
- 0.00153610
- 0.00098497
- 0.00304883
- 0.00046517
- 0.00021552
- 0.00083050
- 0.00026911
- 0.00021812
- 0.00047378
- 0.00057591
- 0.00210000
- 0.00021027
- 0.00567692
- 0.00047380
- 0.00177182
- 0.00098499
- 0.00046256
- 0.00047376
- 0.00103894
- 0.00097466
- 0.00126015
- 0.00057588
Scripts d'Entrée
P2WPKH_V0(witness)304402204bc9c89b5b5b92d1b2cdf50efcdd3b044ceada4584c6ad97a6c3cbe04978388002205186a3f8d3943a6bf520ec4d61d795ce1aade8196258b961ac9f85d59a6264bf0103c3e14cdba3773675a874444f0b66a90e3693a869022286e30f33a4acf8f49d7cP2WPKH_V0(witness)30440220562f40ffc4be52aa1c1616c93d3e6b0b29e27321d9cb486e84c0451673fe165202202cab4d47f36a9fed24358a700534bff307ae42dcdce17a94b7bc5d557dcb88cd0102f89d9af13b65494f1857d6f60e3427c925a71f829509a52630e592dc3bb54741Scripts de Sortie
P2SHOP_HASH160 cfea545bb98d196c3527d0674933ffee0aada397 OP_EQUALP2SHOP_HASH160 2b256b664f1a05d3e836a5de1f070c3447b72af9 OP_EQUALP2WPKH_V0OP_0 00c9ef56b03ebe86184a982d479b15a1dff8b1c1P2PKHOP_DUP OP_HASH160 d970e7fb6bf6113b74cbd336eb7568c36a708956 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 dcbad7e21a2c42858bda6c7fdc1847cb4c648236P2PKHOP_DUP OP_HASH160 9fe344ca5d39fe08e9b3ac3e917bb5d207364ff1 OP_EQUALVERIFY OP_CHECKSIGWITNESS_V1_TAPROOTOP_1 da9c844f749ea4b82a61a9295bf1e71f871490353870e7eb659317565de5b323P2WPKH_V0OP_0 1e891dd40841e33ba5433f29449f4b5b7a194097P2WPKH_V0OP_0 ff81d175b082e2e398cde629ca284591e79dd1afP2SHOP_HASH160 3480c57cee5f7bd3b97db85331a0a6b220f41c77 OP_EQUALP2SHOP_HASH160 02ef04ebd4cd50e243f90ec4cdf5924cb84782a3 OP_EQUALP2WPKH_V0OP_0 a75e34eb8d10d1ca7453e3a9ee1d6cd07a24f1daP2WSH_V0OP_0 d076cc6b267a6310f6359382718ca44d3286df12e199a2a5a8bfd0e9cfcde076P2WPKH_V0OP_0 c0b04da2fe5022726feb7e7832c34e148948307cP2SHOP_HASH160 263354a9185d8f0164b5a3c609216747c315907f OP_EQUALP2WPKH_V0OP_0 c2cf61010f86c7880f1ec9288afacfa2eec93c64P2PKHOP_DUP OP_HASH160 473f01660210cc309b7db5eb7b5ef9aacb85107f OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 2d5ad9f17afc6dbf7c6c797ef84f7cb3ae240353P2WPKH_V0OP_0 f8b12f545235589015069063bc84ae6b0d2ccd42P2SHOP_HASH160 853355f1cd7fa96260a86b46f49023935f7e4cf7 OP_EQUALP2WPKH_V0OP_0 5e0ee59961074db4e52e44d3f410f59b0bec6e39WITNESS_V1_TAPROOTOP_1 83c1d01098018e624dca7fb2d12ec71db06fa6c8160d647a261fdfb317f74de1P2WPKH_V0OP_0 e6bb5929ab01e564b826e63ef7e66c39f1f8c00fP2WPKH_V0OP_0 03e563f716b0d16e16e887f525a0a2713f584f8aP2WPKH_V0OP_0 f9deb58c6d54cc23dfed93fac73985db69ace51bP2PKHOP_DUP OP_HASH160 3afcc4ae91aca3d8cc3d57213584426ca152b1d3 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 7a32bade876daf479ae30f116a94bb748318162fP2SHOP_HASH160 28c1b7cf822992b344c6d0c6029e050b0c3d8e29 OP_EQUALP2SHOP_HASH160 4c0fcb71c514440f730d9ed1a6624e12e5f645e9 OP_EQUALP2SHOP_HASH160 b176f01ee55316a0631ba289b3f08c0279bddb12 OP_EQUALP2WPKH_V0OP_0 c50d46d857f4648278ba3250c2a8f52662857ddeP2SHOP_HASH160 07e79780fe64f2fdf4babc1e1db07126eea2a646 OP_EQUALP2SHOP_HASH160 aca19965d51afef5dcc4e6df8aa194c19f2da649 OP_EQUALP2PKHOP_DUP OP_HASH160 b144b011394556d2945f8dcb234504367b1eecfa OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 676acb5e230e5defb9e275fdff28f13088f21df3 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 574e4d9e17f12155ea20982b6073155ed2c05f76P2SHOP_HASH160 dfbeb92d522836d55f73827f7bf99fa83dfbf9ce OP_EQUALP2WPKH_V0OP_0 81acb4fe371d0f04d2f453e1b398156b36086477P2WPKH_V0OP_0 db603d98790fafa573db9d45e2c33d464383ace9P2WPKH_V0OP_0 a5df577b4166ce6641a5ea17a24758452c0c5ba4WITNESS_V1_TAPROOTOP_1 b4598734f2dd6cb36664a0f1531552243acef275c16ae4084daa02104c9b3c26P2WPKH_V0OP_0 17a94dadff2821d245fa143be35e0d27947f40e6P2WPKH_V0OP_0 8cc1bbb4026eefa64a3a703fe40bf549bc00b06aP2WPKH_V0OP_0 07281cfb6fcde301a72a4d1ed7cecfffc1175d46P2WPKH_V0OP_0 d671114c26946a20a5b2a62d11352bb2d196b342P2WPKH_V0OP_0 754701752759005b244c6d323733c37de366cf2cP2WPKH_V0OP_0 f51d64be1f548ab2d1e1cba624e0e4c4265cdb2cP2PKHOP_DUP OP_HASH160 2d8325c340fca9119babe7f9e4bc5e393d1e61cf OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 446ab973f6bdb956cf5ec3c88cf25f40b15f7f02 OP_EQUALVERIFY OP_CHECKSIGP2WSH_V0OP_0 631a45a1e29d867e6316bf906b2f16ceabb69e9153dc59910e38ada664b90e82P2WPKH_V0OP_0 7105f3cee55ca14cc542ddd573bfbc8362d61298P2SHOP_HASH160 d3c47968a7671bcc98b9bd6edb42e1cecd07c396 OP_EQUALP2WPKH_V0OP_0 14787fbe80a1342b373aa01cd171bf9abcfd265cP2WPKH_V0OP_0 3ae15704465078f87670b017bbfcae1d59589c4aP2WPKH_V0OP_0 2be5c023a1ccc9b9d3784dc96cc54132fd5056e7P2SHOP_HASH160 e07d99734a244f0bfc9d31639b049c5ef1886a95 OP_EQUALP2WSH_V0OP_0 dfec442a08eef44f20700b4f1b6cd25ecb13b8530ff007ba1b4e36aaa8342bd4P2PKHOP_DUP OP_HASH160 8494f2c92782ea6da5a72e4cbeec77852f150081 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 309c5bf4ad4c2dd6531d9c4912a462f9911e514fP2PKHOP_DUP OP_HASH160 bfe15adebc4ce111511c5326417587d92d839409 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 75fa558e1b7d134af82a2e5a6c952192a9492845 OP_EQUALP2PKHOP_DUP OP_HASH160 9679b4f3b4103d102eaac1c5035fda0973a17652 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 105ffb570df1f412959e242b4740a26b2fd3630aP2PKHOP_DUP OP_HASH160 29a5b7a4d9434ebba9ca3bc92fd591bffc95e67a OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 f5630495e9497a0bc3c8f51d58d4a38b3b0f4d35 OP_EQUALP2PKHOP_DUP OP_HASH160 204545b61a27699e35efe0fa479f0f28b75cc1ef OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 b0c2fb0ed065d173b4d6a7cb9ca5cdc2dba2836fP2SHOP_HASH160 15e02c15013461f3da2c5c65c03f370747e2dc1e OP_EQUALP2PKHOP_DUP OP_HASH160 c96a77018948eed312e2e6009d75300e5a531ae8 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 dfa1ae152fc4720a426f7442ecd59ffe85d83853P2WPKH_V0OP_0 c4d43d1f4500d8ea64799b4e5f2b2a1ebfa9dfc9P2WPKH_V0OP_0 5a95c05dcbc25f28fb5d7d20a4fec934b44c1cf9P2WPKH_V0OP_0 a76a00a4073796ba6c5ee85190df70757ce0a05eP2WPKH_V0OP_0 077f4f520b6cce6d2dd447e443c56fc2439af847P2WPKH_V0OP_0 202298473052e7bfb67eee189168ac6b208784a1P2WPKH_V0OP_0 bf46b5ae8aa7a3409f924fc5b17f4dee9bab3aacP2SHOP_HASH160 184225acb968deaf114f6e4b16e09165a5a8d2ed OP_EQUALP2PKHOP_DUP OP_HASH160 e218d074a73f21a770599271bc4ae5d0c8a7c75e OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 f22aed770c20ca4237e109d3a49018f43920a2d7 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 b94c54a2344f81dfba2e5f154f28264da4552c5b OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 17937098840368c020ffde56e358a0fa8eef2c86 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 df86e799a422ad07ac4b44b04f0aa043e7cb6c3e OP_EQUALP2WPKH_V0OP_0 280cb7f6f964a5643c59e6da119c4b109868a4c0P2WSH_V0OP_0 739a18a71cae56a59f9c4520aa614579b5ba9720caa005397ba1112ffdcecbd6P2WPKH_V0OP_0 d83c3feac2e677b4edd13737191315ec2c7545e7P2WPKH_V0OP_0 e3cd26e30ca0be6b2981a8e21b76c3b72862f42eP2WPKH_V0OP_0 cf60684b8d36d16c410f2af76dad10f3ad6adcf6P2WPKH_V0OP_0 7a291ad30a2337144a6d48d6f73ccbec2f4c71b7P2PKHOP_DUP OP_HASH160 e7b006c6efc4d1f8969f3c15bfee0757955e6266 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 ccf64524a43e834b2549f92e51ce1c923930f91b OP_EQUALP2SHOP_HASH160 fd3aa086cb5f5f04eb87c02cb2a8b518b3e70e20 OP_EQUALP2SHOP_HASH160 ec0b7b77e5a8b360bcf8b1a9ac251ea9511ee9da OP_EQUALP2WPKH_V0OP_0 2ca1411e9cb298ce96c04069e9de01f1d6bb4b35P2WSH_V0OP_0 e6ce79673f4712a8dbd05acc79441c4f8f962734ecdec993bae76a1b414eb218P2WPKH_V0OP_0 2a99cf8742e31a6d46c71229c7c0ef1c6f3ccfcaP2WPKH_V0OP_0 2b8ecee4ffb4355167d16ef8cda4234c9516f97bP2WPKH_V0OP_0 378787a860ea2253f5f7a8d73f8e79f0ee48daf9P2WPKH_V0OP_0 cb8deba22e3d0a92a47a401f999a766143529d03P2WPKH_V0OP_0 4b758703920fac3a1b1ee105b1af44caaf1b00b7P2WPKH_V0OP_0 333e6fc907ceb6bed5960fb205afb4a4d1448666P2WPKH_V0OP_0 2cd2a4ea0711c146b4402a1eedd6a591c5e2a0a6P2WPKH_V0OP_0 32e9487f2475df5dda79ab84e34f52b76fbaa895P2WPKH_V0OP_0 fb38ede4c65b2539684c2f708a568eebfaf2a6b1P2SHOP_HASH160 a9e31b0fd3bfcc672bc6a028f6ce309162c05829 OP_EQUALP2WPKH_V0OP_0 c0e8252cf5d731c83de6586802fb1b8f61da8e47P2PKHOP_DUP OP_HASH160 45fccb2fafa65b8488d30037e5460374996242eb OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 40aa952e3ee09b2f8c186cde122f4a310fc600ffP2WSH_V0OP_0 aaf7a0f022f652d4febdca2f79fad05239d08636c40a796e1d94e79990667cd9P2WPKH_V0OP_0 956840568f21919d10a3aa3690e57623ca5e523cP2SHOP_HASH160 db4ccd3d4058a0751dc1bef2ed19beee29e74a59 OP_EQUALP2WPKH_V0OP_0 63391d18c9bbae880453b03abe9a120677cab051P2PKHOP_DUP OP_HASH160 ad371b519f041facd1a020ecc258adf643b27b83 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 1e6d4fddd2fdc7d77c7c2de38cc2cd46f2666c56P2WPKH_V0OP_0 a37394e24b45864d8f227c9169c7607a86d503a0P2WPKH_V0OP_0 841dae0f43522652a9460be5df35cfb3319098cfP2WPKH_V0OP_0 1953368abe0b0475ed604f9753b4df5a9c8cd8b4P2WPKH_V0OP_0 7c033c75320fd9411b5f4675b846c30c0c4849f5P2WPKH_V0OP_0 d7e8b62601e37f56d23f4b60e384940c4d8ac1b8P2WPKH_V0OP_0 24ffeda6cfa17458c19d270497a5e93600c2600eP2PKHOP_DUP OP_HASH160 2212e1771dddaeca52d65d72777b8945c46f3ce2 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 db1bcd9c2710d6632699f5ea9435ac299f3e108bP2SHOP_HASH160 05bd5f4ddc12908bae4271d5926ca3e45624e691 OP_EQUALP2WPKH_V0OP_0 304c621f3425d1991e4fd56c6c544a4933bc7a88P2PKHOP_DUP OP_HASH160 f5df54adc16197531cd812f753a4db6a5771c76d OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 becd7fa720c5be3355442a498101ee01557bd683 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 11fc9228becd42efe14fa8b6ea39bccb9f214e74P2SHOP_HASH160 81c2dc7084085c844094bfee668351d9e62be50a OP_EQUALP2WPKH_V0OP_0 e94717f908234d2b567faca3617cb6e8bb89b4c6P2WPKH_V0OP_0 ade66e7f288eb9810266a203a9ac75be8f5e5fc6P2SHOP_HASH160 6a4818b9481af8c52a544fc1cca24f085d798b18 OP_EQUALP2PKHOP_DUP OP_HASH160 0f8649cea8a1ee7c230216dde6af49e343cb7a31 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 ed2d75e8d03b98595a950678ee6758a77364779a OP_EQUALP2WPKH_V0OP_0 95beb5786bc507a76b7c6ffcf81656965ff47bacP2WPKH_V0OP_0 ca6deb84df1078dc4a37b5023e35a92bdca1883bP2WPKH_V0OP_0 1102271a313c9d163fb553cc6c77c724d3b721f4P2WPKH_V0OP_0 3f5869d1e24c23c13f38168e1e881f685e5132feP2WPKH_V0OP_0 5474aa548223a98fe0c88c0b7cd4c602634e223eP2WPKH_V0OP_0 c932e00edff2d0c6351ac83ca8b8508c18769eadP2WPKH_V0OP_0 0ee9a68531e838f045bb1eb297028422b9c26f2eP2WPKH_V0OP_0 238aa5685289d9114f0769588173874b9ffeff71P2WPKH_V0OP_0 343a068b0ed147774b513e6d2c140b816746c5d9P2PKHOP_DUP OP_HASH160 76ce7677cedf4eb1cc9888526c7905855f3ead63 OP_EQUALVERIFY OP_CHECKSIGP2WSH_V0OP_0 97ce96997cbbf117956151f19e9b75ebb0ba6ac16c226ca2ba2fcd25c26ac1fbP2SHOP_HASH160 1eea541867e2e2895c5a45c4aeb38f577e7dca1e OP_EQUALP2WPKH_V0OP_0 8d60752f8b4b52374660019fc3ec06702e6cc5c9P2WPKH_V0OP_0 71994cc4b6c3e6ca33a741837164ca4a8659aaa0P2WPKH_V0OP_0 11b06771bbb595cdc0181964a413558c25fe13e7P2PKHOP_DUP OP_HASH160 cd404d03b7ce80bc2cdea1f6ccb4087c6a4a0236 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 e1aa2d0db934d076fcfa2cd6afa71e7aef36deb9 OP_EQUALP2PKHOP_DUP OP_HASH160 9e37680286f74d39812074388f289a70f42599cb OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 7b151add8e75ef43e167073984d554e0b525e28aP2PKHOP_DUP OP_HASH160 1b88ef9f5b41fb4675edad0069f72b45d65988be OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 3970bc010efa11afca56b35a66c0514e0d1e656c OP_EQUALP2WPKH_V0OP_0 593f8362200fd02b23d4714c116d4c85eebc5483P2PKHOP_DUP OP_HASH160 f2ddb32e4a7f773f66d7847b3dc49f6e3f32f022 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 d2ceddaf92d0db03be992272c4730ca0681b8d43 OP_EQUALP2SHOP_HASH160 eba81142f09fde5a8b2b06256dcbae3b90a444d0 OP_EQUALP2SHOP_HASH160 b0c1e9340432bd254e936ed607f8ace86cd8cc7f OP_EQUALP2WPKH_V0OP_0 69a0e165b0edcd7783ed847c46cdc28df1215d14P2WPKH_V0OP_0 ac098e51d52442ef7fa859512b0b9fa421d8a375P2PKHOP_DUP OP_HASH160 d75903f0ce9c7795d67c2b13d382c3c32f6b835d OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 c1f930ffeef0a1a93d0e79029781643d9593c07f OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 1f61013d3a343d3d7640f3a89244689709bcc691 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 96d25bbee30fe198f6899a2de709719cd9c05cd9P2WPKH_V0OP_0 c58f1d80bc15fa2f3080bb17c2ef8f6efd42d6d4P2SHOP_HASH160 fc054b6d38ea3cb215e2c70c8145487eba32319a OP_EQUALP2SHOP_HASH160 eebf624eff7adbef89eedfde4bd25f17a6e8bfbd OP_EQUALP2WPKH_V0OP_0 00920b1e6b57f2225f4a3dcb8e4d5a6c40615e96P2PKHOP_DUP OP_HASH160 d736ef91820e8445bdf7e02a7a7cd3b96c1c0838 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 9f13593157bc714c98eb32be47c4650c5e533193 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 eac29d66d155658a9ce2ee09c79f4a025025d82fP2PKHOP_DUP OP_HASH160 3d5a94225ba86cd6c1e7ea4426196710cd92612f OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 1ab0be4c3f3794212802cf26337cbb7d7bc92c0e OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 4f1e8eed95dc92faa9a81831128eb663e10b1f00P2WPKH_V0OP_0 7d432916d60020719203c9f4901d693e02f271a0P2WPKH_V0OP_0 d229f44a4381fc6487b0721b6c27a8acd271d429P2SHOP_HASH160 b9e17a4243bf4e45083a390c5b795820fd5e4146 OP_EQUALP2SHOP_HASH160 3d435e3f36427d96142e4b6d2dd6a29c49d81c14 OP_EQUALP2WPKH_V0OP_0 59f2e5af08c1f6e3ab8144fb04e31f402901abe3P2WPKH_V0OP_0 e036de154540ef8d9fd745807b03caedb2a913a1P2WPKH_V0OP_0 c3b2e3516afef6964e748a4b346d048632b4e095P2SHOP_HASH160 2ac7d117ee7b52b0feddb06f74926706ab091695 OP_EQUALP2WPKH_V0OP_0 a7bcd5b17318bfdc730bd75a68dd984b885657d9P2WPKH_V0OP_0 36e02abb46a558c3d40a4719085365580493fb76P2WPKH_V0OP_0 68db49f271776427418529d3dd8fbf29c217fe3aP2WPKH_V0OP_0 44f293c158605d7822f8bec2947cad1e1b229893P2SHOP_HASH160 84a7e9782be01c918a58601ef70b21fded6cf108 OP_EQUALP2SHOP_HASH160 de6fc190baa51eff1353cfdb775d47baafa5607a OP_EQUALP2WPKH_V0OP_0 fe6f2c8eac155a748ba926314df7d846a10193f9P2PKHOP_DUP OP_HASH160 a611ca9aa0da920ca31311f5de0188e958ebca4d OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 d4f7450fcc6231179b55417438357fb36ae1848bP2WPKH_V0OP_0 c49e21c4e781fb9d8293fb9ecc3ef63019a1a8b5P2WPKH_V0OP_0 16fc17b31aea40ac3ef3ac4f5521aeada5d403c5P2WPKH_V0OP_0 cf7bde7e70337dbe18fddc481d8cfe0d0ceaa07eP2WPKH_V0OP_0 62035515b57fad7849cf3c93b01c6e1971970b3cP2WPKH_V0OP_0 5d5cec7f3e6bcff0e01558b62170ceba0f871f69P2WPKH_V0OP_0 3a94a57ac0379cd8cbcb70e267cb8121474b8544