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($)Türkçe
İşlem Hash
691085f0c5543767226fcdefeef6e088c4b69de1cde2fd4be492014a7d7f979e
Özet
Uzunluk
822,625
Onaylar
53,729
Zaman damgası
2023-12-23 22:42:58
Boyut (rawtx)
6,193 Bytes
Sanal Boyut
6,112 Bytes
Ağırlık
24,445
Durum
Onaylandı
Giriş
1.80087172 BTC
Çıkış
1.79547643 BTC
Sigoplar
205
Ücretler
0.00539529 BTC
Ücret Oranı(BTC/kVB)
0.00088274 BTC
Diğer Gezginler
BLOCKCHAIR
İşlem
Giriş (1)1.80087172 BTC
Çıkış (187)1.79547643 BTC
53,729 Onaylar
Giriş Kodları
P2WPKH_V0
(witness)
304402204a29d2eeb2e9c48b51f87205025ccdaded13623bd829e0fa4eaf38eb210950f2022056e2f16f83284bf42a4f9a6c39c7c628685d33c108858a57c343e2a6ac53ee3f01
03a268f6b72b7581b3e6ec21e7ee0d79f378068f3e2cda4f4f6e3cd42e769322dd
Çıkış Kodları
P2PKH
OP_DUP OP_HASH160 cc82caeeae79f0a1153ac19236310f4103e84722 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 1cbab2c6a96d5b6f81dcc8b6ad591ae8be3f7ed9
P2SH
OP_HASH160 7d4715122c9c072adc2294eb9e44c478f066f40b OP_EQUAL
P2WPKH_V0
OP_0 2785dba3b05e18f14d392c8482a9efa61d88f581
P2WPKH_V0
OP_0 1428f43a25694805aefe210a53023f8671ff3e09
P2WPKH_V0
OP_0 da6b96dc5ce8e05f6ec6959fb23d4b8b04fb2aff
P2WPKH_V0
OP_0 92795be1833cbfa0d980d4733c66c7c375a96678
P2WPKH_V0
OP_0 810964d06aabfe028bdfc75194b08f4ade9bc47e
P2WPKH_V0
OP_0 a963abf601055429fe3e28c982bb7c9d6fc52386
P2PKH
OP_DUP OP_HASH160 d4ef102ad35b26021cdd958c175bbbffc983799c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 ab32601bd35b7fc255346ca768598a31d476bcb4
P2PKH
OP_DUP OP_HASH160 ab9cf53d6cbc9bb89048af7d0be296806cf98326 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 9877b0de1b85b8a2b7322fce758f66baf2562575 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 f5fc3a6f6c869ad54a76cff005dec2e35db85eb7
P2PKH
OP_DUP OP_HASH160 4c508915a5a816f18f5ac0d1b863d1912b8cde7c OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 90b9f33bd9862558c973e4662e0cfb151ea25a95 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 1d248fdc5f2b90e27f2b500352b7a8b18d414aba OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 e7dd6838091051a835400dada783c579c6c0e2f7
P2PKH
OP_DUP OP_HASH160 5c02288e792675d07b78cae5989dbbe50d9e62b8 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 49b16fdc4b5654e24219bb3b34dd4b967f26d6ad
P2SH
OP_HASH160 60ae27c92d0160cb8eb6ccabff1030e805585805 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 a0ee2c0b6b5d76e10e27318fa0cdd120a4702bbf OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 ba7d05efc6825f753733a00a3120123319f3fb7a OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 8ee8b6b3038e9997df59edec48a4a157b944d9b4
P2SH
OP_HASH160 3f366a3cf2ecd4c6bd721d2a9c2ae33ea913ee14 OP_EQUAL
P2WSH_V0
OP_0 d69065b9fd1d575b53ee8e6f722814ec2f6099bf40cfcabaa5b82b293854faba
P2SH
OP_HASH160 d0dc8594ccd9ad35ffaa9cdf43ab898373066bcb OP_EQUAL
P2SH
OP_HASH160 806fa3cb133bf73204617b918d427006149ec60f OP_EQUAL
P2SH
OP_HASH160 f466bb73704e7a6ae188ae4c179f0180120a77aa OP_EQUAL
P2PKH
OP_DUP OP_HASH160 607cfa1a7f48befc9ac6c311b8d51920d0b769f2 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 24492336db9664a7258b7fc80ea7bbd33300da48 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 16bf2c6f61bfe90d4acc01b302e8a269b5c40075 OP_EQUAL
P2SH
OP_HASH160 953a0ec45b3e6dd2eb6e2d2ac50ebe998d6a60f4 OP_EQUAL
P2SH
OP_HASH160 a101b33fbc1eda25dfca6468fc657e7f9b80c6a3 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 18f6c6be3f6ac7a6f1539dc9743b97b842208a9f OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 e04cd7ba1f2594ec2b330999ca1215e1a7ee36a8
P2SH
OP_HASH160 692f6cbbdaa80b078bda5355a5158960c0d5db51 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 a85bf2661d65ebea0fe91e2f631b7ad31912b082 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 6a6da8fa195278657206f88a587ca95195f9f52b OP_EQUAL
P2SH
OP_HASH160 1d4e082599c145f7fd66266a9f538f7e864b6f13 OP_EQUAL
P2WPKH_V0
OP_0 06d8ab685f08625479fd087f1d5eecb0bdacce2a
P2SH
OP_HASH160 411f8804f0a24bd970b4ccc1d64986536f851e1e OP_EQUAL
P2PKH
OP_DUP OP_HASH160 3c9762ed8414393b65e4946ba38f67e3eacacf63 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 3914fc8c5401bc288b646e05b10a59960003e969 OP_EQUAL
P2WPKH_V0
OP_0 4c1823534199757a1cfe656131740485b7ce2ab4
P2WPKH_V0
OP_0 b835c00c71b7b86d7eb683256050fdeb7d53c977
P2WPKH_V0
OP_0 2cd4e6631190c208603c686c534132478a4be859
P2PKH
OP_DUP OP_HASH160 6b77ba554b9d7ad85df387d12518eaefacc9d975 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 6de8eb4020c7ae5c6801d7d342a2f59e07b2759c OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 f09e7ee5cff09096e2f73ee62988e46b57b7aed6 OP_EQUAL
P2WPKH_V0
OP_0 3242cb2fd72b9aa2568397cd8e00910d4d18b621
P2PKH
OP_DUP OP_HASH160 f37cf069d159e697ed2a2f4d9875484a58161818 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 d32f4d0846d16dcdb9165852bf23220e16398c0e OP_EQUAL
P2WPKH_V0
OP_0 2ad6cbf41dab2dc776dd56bc5e40ebbe9fc0d006
P2WPKH_V0
OP_0 1b447eef910678e7d1c31fec16fa4a28f44cc283
P2SH
OP_HASH160 c15e810f70cafce2744ce31c8f0c619cbf43a986 OP_EQUAL
P2SH
OP_HASH160 31c702c1dda9ca6622dcba0262bc57ef9ea40b81 OP_EQUAL
P2WPKH_V0
OP_0 1b3903938b130d91e93f5583e01d4d810050d53b
P2SH
OP_HASH160 7456bc668d82543f28b35c744f6690c8fecb6862 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 30f0ce9fe4cce36121e760ab271aa79ca09e51f2 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 dba59c034e111814cbccd2f8593e92c6f25ebd85
P2WSH_V0
OP_0 5729576763b107047c7c4a81cff45cd4258964290542832c9c45d41b899e5c16
P2WPKH_V0
OP_0 4236478645da3e4d86be50ff676e32029ecd00a4
P2PKH
OP_DUP OP_HASH160 df8a37fac952d728e2e72ec20749523d8123e691 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 0c4717daab16d182de89b72dd076bcf04c569660 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 d230c41a642b028596d8849fdf2c59ded13a0907 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 0326df4c70992a12c8f0d8656bb17dfa41ebe16c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 157377f168ddb274ee24d27e46ac2418bd310b47
P2WPKH_V0
OP_0 ca0423244d573e1f3627aa2b3d3fbf2bd2cfb150
P2WPKH_V0
OP_0 1d6e2063be03768a4cd97a0a76ccf0fc838c096f
P2PKH
OP_DUP OP_HASH160 8dedc15bb5a575fb0a0c6e2a8860ead4f2799b9c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 010e3e84a1ac44672cddad1c7ffc247f8603a48b
P2SH
OP_HASH160 060f66e210feb1eeda59d78e1bcf091103f00353 OP_EQUAL
P2WPKH_V0
OP_0 4350a22ee09919cbc6bf37d8aef1ce0bffc6af6c
P2WPKH_V0
OP_0 0f6f6184e0e51512182a48da6b52a278868318d8
P2WPKH_V0
OP_0 d2243554dfe990f9c64d9bd47efffeb7bed55aa3
P2SH
OP_HASH160 9cda249ed3da5782dff4500be6296a92187028f1 OP_EQUAL
P2WPKH_V0
OP_0 ca61f50b140fd3e47db43be9bf4f41bb51b375f0
P2PKH
OP_DUP OP_HASH160 5b6b89ec7ab03381733f7e15097fbe3170519e7d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 386fa2b9417e2ca6455028d710ab0fe64055ccfc
P2SH
OP_HASH160 729447701962263729b11e55b7bf2a3aacb66b66 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 d433134e749139304295753085a42d0f1cd09be7 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 b6e1ebfde98fe0b62f90608e920c76f3fcd1be77 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 eb385bbab0013a7920af94a22ac4533d0cdcd21d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 2a50dadb694df78873ad3fb2446e40ae8faf41e5
P2WPKH_V0
OP_0 62a98fd8bb5e0bd90b23f04fad81d74f994ac343
P2PKH
OP_DUP OP_HASH160 7540143cbe732666078183017600b9b81cbc92ca OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 188ef7a0e754ce4e593444da7d8cacbeaa8bac21
P2WPKH_V0
OP_0 4b7d4e3e2769000bb9758bfc202e4f27c04f39e6
P2WPKH_V0
OP_0 eceed6ab352b9c95e795098d7758ea854c5c65bd
P2SH
OP_HASH160 8dc97b64de54b095d54e23b0f5e565272b9df0bf OP_EQUAL
P2SH
OP_HASH160 7476eb8b8907460e0205c1ca5da589ca36df4c4a OP_EQUAL
P2WPKH_V0
OP_0 9b4a08ebc8888f42bf066a3806dfd3756722143c
P2PKH
OP_DUP OP_HASH160 9fc6666b42b4aae4678a269681b602b67994222c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 3bb2d851254c3ce985155209db3c47cfb06775f0
P2WPKH_V0
OP_0 3c0033ca6f5ce3f5cdcadc0d42620298f108d35d
P2WPKH_V0
OP_0 68ba73c3c8df569bf3a1aab5f01a54d3a8dfecbb
P2SH
OP_HASH160 6bdeef84b14c23015e07f3b0d9e2cfa01d648ca8 OP_EQUAL
P2SH
OP_HASH160 527800fc0da6db91a37510084d2e0f9443b5ff91 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 19fb90846bfd8a3f5e8e47a98216ad6e667eb986 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 d674ead6f6c8a5ae1efa43ba316f490edfc8cbb4 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 0411b3ee6e6bae7df0366790aaab9c68cd80d007
P2WPKH_V0
OP_0 21d44bb550f5bc464032fcdd9a6141292c08f3cf
P2WPKH_V0
OP_0 7158953240eea7270bf8478119aadce0ab3409af
P2PKH
OP_DUP OP_HASH160 708fe81312ff947adda1212069802f576c8b1681 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 febe27e44dc0151c07df937ad8d7c613574773eb
P2PKH
OP_DUP OP_HASH160 0ff794fc6f9414b7f3fa9b8999b9888a671e9a61 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 22aa648a8b8c0d46db5aac0e3ccc29cfe474b60f
P2SH
OP_HASH160 e129f8685feed46bd6eb7145b87ba955f122482d OP_EQUAL
P2WPKH_V0
OP_0 3f33f2533607210bb3089d40bb6fa3abf69771bf
P2SH
OP_HASH160 9a93727e1a073c401328d080a5acc1eb644cbbcd OP_EQUAL
P2PKH
OP_DUP OP_HASH160 8c21105820390170d7a0640fb22aee4ad9fd1a9c OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 773685868e7a059e7c214b72efa54e3247cfed90 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 0814590b80c301ea88e46f0062dc38bb52b85e86 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 92b77110f3b5cd14058ffa12201171c374a9f273
P2PKH
OP_DUP OP_HASH160 e0910e781cc7a3e3392b4f4751ab75b47ee17b23 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 2ed298e8012053ad00ff709e66c1ec2d8dd7c555
P2PKH
OP_DUP OP_HASH160 4921f830f7def75913de891f4745438e75f6b4d0 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 29317dff774e90677bf2b697d38c1a5032a06d16 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 863f4949d1b1497b8dd8ba17ddaaf8465fcca34a
P2WPKH_V0
OP_0 70ef089cf485159f659d70549804b9aa6934d2b2
P2WPKH_V0
OP_0 e7fe96676d16770bd585ed9b9e779c94b3c87512
P2PKH
OP_DUP OP_HASH160 8e3f36dcf214866b5a1d9e43704586043f0bf7c0 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 2992f4b8ced6e3e57627f1ea9a2e1e910d303956 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 1bafda1968e0f339d345f931015ba4da0c143705 OP_EQUAL
P2SH
OP_HASH160 cf8694f6bb1760db707667318449823f107f97e1 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 ea883a0b2c444c10e11c98599e94dc6c7cb883ce OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 b274aa3845dc4f7b8fec87599dcb76555711c1ac OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 cb8778ca98be341985f7805c95a9dfb61772abbd OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 bd937f228b32173626d92403ee1fc9f5f250c3c9
P2WPKH_V0
OP_0 19253827c4e1f007bc4df32b570fd7f922bdb0a9
P2SH
OP_HASH160 79711f15e270415d73185aba0517e0a0e9d250fa OP_EQUAL
P2WPKH_V0
OP_0 71b89414d5ada4131466368405c38ed3037492e0
P2WPKH_V0
OP_0 eedaa445872754be58e514ec2a5b4dbb97cdec78
P2WPKH_V0
OP_0 b626ee0a46a94a2ff4bdb353b6dc9d7a98c6be6e
P2WPKH_V0
OP_0 b3a929d53ed7fdf2f4b974e2bab39e5d4751a896
P2WPKH_V0
OP_0 e757e2b47fc1251bfb9b71fac64a26aaf5892983
P2SH
OP_HASH160 8d18019580e76914f3ae03af81e27413046e726b OP_EQUAL
P2WPKH_V0
OP_0 59133d1bde29b68ebd45443e4e293ea24e4f85d3
P2WPKH_V0
OP_0 33dc4e9b9c9cb1cbe62a8eaf992123822e7a570c
P2WPKH_V0
OP_0 256085aa3de66e059ab229b800e2003cabcbaf3c
P2WPKH_V0
OP_0 15355495fcd866974f184963fe16e8deb8ecbf12
P2WPKH_V0
OP_0 f171f4b281e6f7fc5a9eed8847841a32a2180c4a
P2WPKH_V0
OP_0 93252ecd47b23849d06ed2b3bd9905616f84c0ce
P2SH
OP_HASH160 eda9a48ea1acecce146a9e1654c9c5e90ad12925 OP_EQUAL
P2SH
OP_HASH160 43a1732cb5f82dc2886de3c57974011023e48fc1 OP_EQUAL
P2SH
OP_HASH160 b6a1e789a158c45b722bd6769fab23131d9b080d OP_EQUAL
P2SH
OP_HASH160 5c2132c309c8d354ec56b2916b0f8ad2d2469711 OP_EQUAL
P2SH
OP_HASH160 a04f22d76e42321146e001d8d446c93afa70cfa8 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 c159450a4ece8c94e42d676dacf95a888233ffd2 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 12225dc31c752085c5447334f1cf97ef46b7e737 OP_EQUAL
P2SH
OP_HASH160 72bf7f95561e97f34a2cf4d43b331d41c248ae18 OP_EQUAL
P2SH
OP_HASH160 f3d3be7ecf208aafc410b74e3ac85de66e27c9b0 OP_EQUAL
P2WPKH_V0
OP_0 6149ee30273ade9ca2ab8a3c2d89a2057feb51ae
P2WPKH_V0
OP_0 4c9c293fec8f76d26864abcb34bc6306a19a78b6
P2SH
OP_HASH160 93bfe1a0245d7fb6bfa281bd87bb6f81d8dc46c8 OP_EQUAL
P2WPKH_V0
OP_0 ddc3220bba6073e2881af627e53332cfa3e0283a
P2WPKH_V0
OP_0 e3d225c98f70884ec2223aaa1830b0013db227a2
P2WPKH_V0
OP_0 1a13e2904f3e84004da7799e02d9cc18fa0f819b
P2WPKH_V0
OP_0 b1490d506965f65395b4682356f9decbc585b95a
P2WPKH_V0
OP_0 e85a9236600d8cd40faa7bbe17915ec177894b4d
P2WPKH_V0
OP_0 7d52f75613669389d7c7d83fc39eed8b5e8d19de
P2PKH
OP_DUP OP_HASH160 4eedbeed1ed4503d7b3bc5d839a6c9457caf7a61 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 38dacc765a140b803d65640c3dc89ce47d6cb0e0 OP_EQUAL
P2WPKH_V0
OP_0 8fbeada6bd095ac8e0704979be6f410d9507dbed
P2SH
OP_HASH160 5a56fb40d51a361f8b753e7cbffdb3328c1fe675 OP_EQUAL
P2WPKH_V0
OP_0 9bf8483cdbd4641270fa747ae7e4897afc4edcb7
P2WPKH_V0
OP_0 75ea57502461302c96e6b19f904f4bc152af1d82
P2SH
OP_HASH160 c8edfdddfbfa685e0faf4c0d68464c3de3c7657f OP_EQUAL
P2PKH
OP_DUP OP_HASH160 7b1b8409d049a3018d381a47d1787d37b8172292 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 8393321538dd99a28b227375e9565433332a4500 OP_EQUAL
P2WPKH_V0
OP_0 9acdfc6a780b959ca2ad644f0901dbc665ec9b94
P2PKH
OP_DUP OP_HASH160 f33307b8cb04a65c96c93d3975d387a996b221bf OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 e3013408fc62308ec274ab93550366257dc36b62
P2WSH_V0
OP_0 990917c72bd2a78b9da4e1373bca2525dadd97d5ca78eeb8ef59cd75b83773c6
P2WPKH_V0
OP_0 b7dc86ecc109b240ad02d1bbb75ab7c4a769b4bf
P2WPKH_V0
OP_0 2991cf764e5ad01e21f75aa757742896f320ddef
P2PKH
OP_DUP OP_HASH160 093cceb8f0aa6a128f75bb2ee91db942ee9a6009 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 696b7715033aa90ddcf64b017392d06749e304e7
P2WPKH_V0
OP_0 27965b57e4b9a2c1734838a7cd24e6873136cf38
P2WPKH_V0
OP_0 a71663f5cd6a72778f5e26b318629e2dcac5043a
P2WPKH_V0
OP_0 a05b57704d2d6301edbb3c129c27a97a2355ac84
P2PKH
OP_DUP OP_HASH160 4bd269da778fc94761a87d46bff0f7d172b21d31 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 50c1099a287686b4873a9804166c37c5f6395e72
P2PKH
OP_DUP OP_HASH160 d43f528bf36906ac3deb7cdb686c3d2293accfa0 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 f32a20156f0dff890331467fae92d2f101330fcf OP_EQUAL
P2WPKH_V0
OP_0 983e10f4a3de49a3b7c891c16b3321c7b20db6a7