交易 ae9dee3c24e4d2967f89c92b9cac062a6b37684eda18bd9b6ee7bc54634beb9f

基本信息

  • 写入区块
    816831 (Main Chain)
  • 确认数 33668 次确认
  • 时间戳 2023-11-15 14:19:01
  • 交易大小 30839 Bytes
  • 其他区块浏览器 BLOCKCHAIR
  • 输入 0.96743118 BTC
  • 输出 0.96019277 BTC
  • 交易费 0.00723841 BTC
  • 交易费率 0.00024034 BTC / KB
  • 推荐钱包 CoinEx Wallet
输入(188 笔) 0.96743118 BTC
输出(159 笔) 0.96019277 BTC
输出(159 笔) 0.96019277 BTC
输入脚本
输出脚本

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v1_taproot

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v1_taproot

witness_v0_keyhash

witness_v0_keyhash

witness_v0_keyhash

输出脚本

witness_v0_keyhash

OP_0 2b2426a7f30fdc9a49ca75b23de0a440cbf4406b

witness_v0_keyhash

OP_0 ba493278134b028211e67e222527dcf999cbb4e0

witness_v1_taproot

OP_1 491dc299a2716fb1d3c5c1e1354b45f054ba2878c71142867f8aeb3849952041

witness_v1_taproot

OP_1 ef4a183b5022f789b50d2ddba765fd0da2d4046eb38461c58df7758a0614cda8

witness_v0_keyhash

OP_0 0c072052206709eea4ce3fa9e90af696c746a832

witness_v0_keyhash

OP_0 37b0176e5c4b9fbf41ca9eed1dacddbc0d47b56c

witness_v0_keyhash

OP_0 69cd0b1ed0196e389dac0e127e77dc3946868327

witness_v0_keyhash

OP_0 b140b6f786f4e24bbcf04cf6a05a8b3706d609ce

witness_v0_keyhash

OP_0 bc52d770eb17b4c1b46105fd976387997645d9dd

witness_v0_keyhash

OP_0 c805a8f8da59334dd3d0f70c5a3c7f5e52084952

witness_v0_keyhash

OP_0 f188982bc07b95267e49435906a99f3afb5b5e27

witness_v0_keyhash

OP_0 ffb929183278a68e1ac01f9ed513f559583f598e

witness_v0_keyhash

OP_0 1e4d9dc2046d0282aa2fd61d0bc3f88ec6cd8a4b

witness_v0_keyhash

OP_0 52cac6d13a0301fa0db124abc94d7bc1b9bdd968

witness_v0_keyhash

OP_0 7e6644b7db9682e32f0bba2b6d28d4c018dd3855

witness_v0_keyhash

OP_0 a96f3307dc8102e7b35412c3ad1ebd53e9f18551

witness_v0_keyhash

OP_0 d4025a841bbee978c6c93e51650a065256ab9152

witness_v1_taproot

OP_1 3743e8387975a08c610c71c57df3f96c2c4d9db0d9aa6a10760610ac2fe0d86f

witness_v1_taproot

OP_1 5537bd18844a7bc614165c7196c4437a7b6774b753d50a1d791fbbf7c152c298

witness_v1_taproot

OP_1 63c59dd3af4c3624c7557aa22ec4394ddf8f04ba9f98716725dea65ac70420dc

witness_v1_taproot

OP_1 a704f3c094f3aa738f432ef533655d9bd34b4bc761da63fd4a11027873287a0e

witness_v1_taproot

OP_1 ae30bf10a202b149b919eb606769132962aae45533214a84733d01d93a8de199

witness_v1_taproot

OP_1 bbf8b2eef2028c82e347f11d0756fda3de6073b7fd2f66b87730d1a823165219

witness_v1_taproot

OP_1 efd69034c962eb9fd7b6274dbf980204ce14edc7de2c7c2359627dff946fdeae

witness_v1_taproot

OP_1 f861bda5ea6c7c690e1270f02f4f5d1d8f19d13622004e0fcf547f2706d83de9

witness_v0_keyhash

OP_0 5262c087612fd7d6ffeaa3f96da8dbf0960ef812

witness_v0_keyhash

OP_0 5aaac4ecbd54dc802fa212982d70ba07826aa161

witness_v1_taproot

OP_1 679edf3d9bede050f5f6c864c0b27c22ab58d3ded5a4660d7eeef1990d670974

witness_v1_taproot

OP_1 ad0f0ca42c369751408448887721fe0db52058db218acaed8bdda353e40769ca

witness_v1_taproot

OP_1 db69c8069a74f5759cbe64e951d4504d01696ab554792be67805f492f5c9b1ae

witness_v1_taproot

OP_1 f983925a76bf9eba45dac227186f3dbc707db58f99646563d257da814f95017c

witness_v0_keyhash

OP_0 2567fdc07b3a7381319dfdadc6ad01724f7fea31

witness_v0_keyhash

OP_0 3c95e51d4812493ebb47054bb9380aa7b5105e3c

witness_v0_keyhash

OP_0 7e33a249841db474558b9b30191b973a57ca3000

witness_v0_keyhash

OP_0 a1087eb31e58e25fa79825937b80119a709bda65

witness_v0_keyhash

OP_0 b5efc3a11ebc4d3d22e94ff3e19c54d7946ffa8a

witness_v0_keyhash

OP_0 df15659d3e9e9dfdd36336f6554f0ad1c0a30b7d

witness_v1_taproot

OP_1 02a2f02c7b030883d2b9a489eafa69d5c08c8b10b15058ddcdc0f6db3beea5ef

witness_v1_taproot

OP_1 1ee47facc0cad81e07b05e33a941d982c48fc89152da1b99c1dade8d84d4a5af

witness_v1_taproot

OP_1 4e204617116b82ace2accf42e1a9d8a9d808d1b3c3c7aeddddb12a18d1299aca

witness_v1_taproot

OP_1 5c8173d764e4cd083e6c3044ebbb8780fca884ebf8bd62f0a37c6edae76b8dd7

witness_v1_taproot

OP_1 9592c8ddf0da1db09bce0bd76c8bb7078b39d96bff152a38ea4d21db41c2bb6c

witness_v1_taproot

OP_1 9fe86e4fb064f4f9a176842d79724709171a3d2ff2439b119865d7bd9084bbb8

witness_v0_keyhash

OP_0 1e767032b874eb954e6f98ef5d4cd59ead42d6cd

witness_v0_keyhash

OP_0 49739a99c01634114c21b54283603a87aa20f578

witness_v0_keyhash

OP_0 a83817986998f39ddfa1024e2325b6f9c721295a

witness_v0_keyhash

OP_0 f71d70d607bfd43184e155d2247f8007c82afc24

witness_v0_keyhash

OP_0 ffc991f2e68f6a68c75a7ceac2e8540e763d06ba

witness_v1_taproot

OP_1 05027caaa51fcdc88c6832768533f10fe3360f3c38d0589b2c96ace9fefbad60

witness_v1_taproot

OP_1 1ef40c941a45575b725ce899c1e39e1073aaae7006a995632f9f9b9d3680f970

witness_v1_taproot

OP_1 2dc1c4422db6ceb42ba3eda842434d9f65d9a9f77487a7db3b103add026bba9b

witness_v1_taproot

OP_1 850f2485d0a3399b0d4fb9d2577dd96de97428c2450e20c01262375697c2d2fc

witness_v1_taproot

OP_1 cc40796f695b7769c81a401bd2c04d5af4045b3d4a696064135e3a6d37db3c5a

witness_v0_keyhash

OP_0 60f96845b5ce51db777d4e784aa1c5867615a7b3

witness_v0_keyhash

OP_0 6d76fdcb6d5d89f05c76554b2d89890cacae8d95

witness_v0_keyhash

OP_0 8208b369ef71ad504d3559cec9a5c39bcc730f12

witness_v0_keyhash

OP_0 93192a820f6e1a2a8b2a202c752d969ddc7de409

witness_v0_keyhash

OP_0 c2b11940b92bba171e85425d9289b8134d5c216d

witness_v1_taproot

OP_1 3f011b94649b2e333d228178f5b2cbab4e6ac4588acd9915ef3f59c57dd4140b

witness_v1_taproot

OP_1 9b28624c00821faafbe0a8fba84f77ae5a81d0a4d6fac2917306728b2f8c96a3

witness_v1_taproot

OP_1 bad671e1a4a96b6c934d15792cbfa370a3582edb5b85cdc40daae24a60489a45

witness_v1_taproot

OP_1 d4dad0e219609064502f11f37ce8eba2186307c7f07b17104470099eff7468f5

witness_v0_keyhash

OP_0 13f25ee0c80642e327f974e5a03125f975c402b7

witness_v0_keyhash

OP_0 4cd4869ed6857b007321de7cdbf70022715378ac

witness_v0_keyhash

OP_0 4eee58b9376ca85098b5549777671db47bdd7a89

witness_v0_keyhash

OP_0 e020d37cbc840b32e8c5f707d2963d2c332d4acc

witness_v1_taproot

OP_1 09f79c4138d81864064981cbffc66d9a6d925bd000a29b4195526471d25be1a9

witness_v1_taproot

OP_1 0ae740e5de75d6b66f7e8141fa09e91502426f43ddc84eac9e9cd08f0789acea

witness_v1_taproot

OP_1 1d2aa6cbd388cc5decb0e213c96046acbf25c4528aeef67a1a2dc367c2610973

witness_v1_taproot

OP_1 574e2adab333246062ea7d31ae5f7932823f20492a88bc77c55db4fe53e2d42a

witness_v1_taproot

OP_1 6978d96dcf5e0c4774a012f38078b777a4fc8972c9811edd059cad06f29565b3

witness_v1_taproot

OP_1 8096a541420c640b15b7e2b02fbbfdc024016bb5366f0d8afc505bc36265e051

witness_v1_taproot

OP_1 ffb726b0e9dbe1b82427f08a6edebca9aa3428c77582e03dbd38a6acf4cf8672

witness_v0_keyhash

OP_0 6c2948b07436bf58ff0d10f3ff0f1b9c44932767

witness_v0_keyhash

OP_0 72451e9ddd9e6271931db6068597c2ca6b672a84

witness_v0_keyhash

OP_0 8f12affddab2f0bae72d43e67f9c408fddabf560

witness_v0_keyhash

OP_0 c5c97695d0e7390921d1cb4058fb5bf2b45b8378

witness_v1_taproot

OP_1 d447a5cbe1968e446ebf60857d59667636cb6eb4b0920274f35165421720f8c8

witness_v0_keyhash

OP_0 10a92e18cc2baee4a7d6e9bb4966868c51669262

witness_v1_taproot

OP_1 1ce33ef3ae932fdd6ff5eed31030d4955ffc0391724a7ed4c9653f564800da41

witness_v1_taproot

OP_1 72c4c9126ae91f1f84af9ff7e158619990546178d673523a593b8ad8a870a84c

witness_v1_taproot

OP_1 c10df6293a135a4a2aad31b3e4559483eb8bfba9b9c6d525abc47d2740ac2663

witness_v1_taproot

OP_1 f26f593e05bd35c3b53b0e22d3493e0a57c91b26aee0501098fa41058b7403c7

witness_v0_keyhash

OP_0 d868b6605120fe7f5ff4ec965be411e390f69337

witness_v0_keyhash

OP_0 47aa7edde4191df8e579a36567f4cf179a6095ef

witness_v0_keyhash

OP_0 8748d0aa9435dfc2512e27ee69771f6ab1b23a1f

witness_v0_keyhash

OP_0 96a1cff03adcd569e56ccdf895d3eec716c3d501

witness_v0_keyhash

OP_0 c9d96ac0bb383d533e47b8b187804890aa057ceb

witness_v0_keyhash

OP_0 cb6bb66c5aef55f0fc18f1e8770064c2f9074a70

witness_v0_keyhash

OP_0 d473fad297cd9d0def6ed2fd0768b32b831d0fc1

witness_v1_taproot

OP_1 06a424c0aaa2b1c5f46314051612891954855efdfb7df64812c60259eb5a2709

witness_v1_taproot

OP_1 7f4e8bc9e994422efb5b9a9a89041bdfaf87748bc5cfe4843750fb9b554d9b67

witness_v0_keyhash

OP_0 7101b024b9097fa15fcbaa8aec8ceb493f10c9d4

witness_v1_taproot

OP_1 9872abdc6119498800876f6ed2b6ddd946e4ae35af0a22f80102b7d85aefbac7

witness_v1_taproot

OP_1 cafe87b61feb83d308184088ec0b98fb69ad0a7a269f5f211b2959e40913b878

witness_v1_taproot

OP_1 f8c344eb800f115158d86fbb18de52763fef81090f4b409c97cf7b814a664ed9

witness_v0_keyhash

OP_0 045a2b6c9006f7098c3cd5f5b437d774f26adb9f

witness_v0_keyhash

OP_0 6621b19862e3262cba58019b0b185cb81a0b9ab7

witness_v0_keyhash

OP_0 b73802ebea629c13ac358a9e1debf7d1f5dc491a

witness_v0_keyhash

OP_0 c5cc4ec10859765d1481570c03498f77148f8f35

witness_v0_keyhash

OP_0 c71aa4794264e7fa66345f85f8f09267ed78f6f2

witness_v0_keyhash

OP_0 d01054f8504762bfbb75a2e7781896f50ac75b78

witness_v0_keyhash

OP_0 f6440e1538e5454c4f489fb1b80781d68db9456c

witness_v1_taproot

OP_1 1997217bfb9fdeef102f9f6af6095608218157ca016fe339b943ed2588a19cc8

witness_v1_taproot

OP_1 1d681de927e57a3da8ee185324b3b30124f48f6250068cdd4573b196eaa42ad1

witness_v1_taproot

OP_1 57252e07ea876dd97a5eb7dfac3533e24dbd9d52e354df6f8cafe5ad3c300aa2

witness_v1_taproot

OP_1 791f8fff5762ed107a8d7f2bd978d61dc3a23b2f1f65ce4ed7e34d1363a9801d

witness_v1_taproot

OP_1 85b0ed390c0f3f2f5d5b0e295301dfa2e806db28ee0369fc55a5f6467db97f28

witness_v1_taproot

OP_1 c0271a5dce06ca298d5616e2abdea8e3158b37a5303946f95162657921fd9feb

witness_v0_keyhash

OP_0 204ed7759ff896c2ecf28da2762231683bcbec73

witness_v0_keyhash

OP_0 39111e7a834dbd904a1d237e424eeaae0d2985f8

witness_v1_taproot

OP_1 53512adf7887e4104d4d9d29dfaab6eadd87592b9a720bc4ecdbfba0a4737c07

witness_v1_taproot

OP_1 783b7624d97d0b1e1d8617c4c87f7250a643d080fc64c9714977f381d0878691

witness_v1_taproot

OP_1 823717ca68a589a9d87a6084da3e951120f2f81458b105eeff40a9f8f9ff1d80

witness_v1_taproot

OP_1 e63a291f9c31585edb3e9e82a0a04edcf0e46b850fec175175c0c0c4de57eb49

witness_v1_taproot

OP_1 f451b2ca98409b596b9f489b33391cc21aec07a4485e3c69baa4f21f534739e9

witness_v0_keyhash

OP_0 9f8f47d606b7edc6663977f5251cd40cbfb03826

witness_v0_keyhash

OP_0 babe31f3cf8f691a95c49a9d3be7f6b873154531

witness_v0_keyhash

OP_0 eb3f4a12ddc5ecd74d2e93c25f7ee77eb3266373

witness_v0_keyhash

OP_0 f4d0b7aa21197b54bc28a27092acf009862d51f4

witness_v1_taproot

OP_1 406fbf07feb88387b890c6997e823212fcb07f781433f051f4a5ebc3a1de4882

witness_v1_taproot

OP_1 6adb0f3714a4348395f945064142cf8989e4e5cc23db30d583a54f4889f16181

witness_v1_taproot

OP_1 97435a63f06690fc4fb1a693070dedcef54a89413773c8420dd8a020c6ccc5e9

witness_v0_keyhash

OP_0 0637b8df7316ee3f955e4b46bd5ac594f71bdceb

witness_v0_keyhash

OP_0 0ec67c4da0bd6f2b05f788e24e2a11d1ed968a06

witness_v0_keyhash

OP_0 3ccae6fdef8bf92a82f9fafd04f1b285d1acd5a5

witness_v0_keyhash

OP_0 5fd71c171340cb13c6d251cb5c487bf38b7d5aa3

witness_v0_keyhash

OP_0 66835bde56f03201215ec1f6c9ea1f84b7b6259c

witness_v0_keyhash

OP_0 8bd63961b16a3807c668148c415e5a9ea7ebccee

witness_v0_keyhash

OP_0 d29b0d2400f3832c665eb25f077b0caaad5d0f35

witness_v1_taproot

OP_1 88fdb127e2705909f84655a2cb60d83f4a86928bfc794ffcd1e36ebd6f13d0ef

witness_v1_taproot

OP_1 999c20a0c993cc1814abf58c3f735640a27ea875c107a8357b86a8a959f1a1d5

witness_v0_keyhash

OP_0 48414af5fefcae4784ad1b151383d06f46161a6a

witness_v0_keyhash

OP_0 ed11d1838378ddaf9de2314c22ebffcd0d232e42

witness_v0_keyhash

OP_0 ff0f9b1876c27d4b1907429ccc2dc66d329f623a

witness_v1_taproot

OP_1 1da566084b9cb44fce43dd796176994128ae90e0c24beb59d8f6c8ffa6b4f4ea

witness_v1_taproot

OP_1 973aba5078de4f040643960c0605cc26ba8df5a15a125b254519e771814b154f

witness_v1_taproot

OP_1 a7878bfb29619fe4960e49a4799f99b7b2b3a4706a47bd3bdc7c8dc85dbdd007

witness_v1_taproot

OP_1 b1ba24b9dc9c280c336c4f13a3d155e209e7848c3dd1e80b9c5b0cdf6a44f12f

witness_v0_keyhash

OP_0 5f835b0710718db57a5bdc96dd3a93be36384091

witness_v0_keyhash

OP_0 9f7dc783b6681926c5fbb3ab9c82d816761694de

witness_v0_keyhash

OP_0 ae59c48fc6cd191968f54069b160ee0621695818

witness_v0_keyhash

OP_0 c589ac48ff112b2bccb1d4db2537610a11abe0a1

witness_v1_taproot

OP_1 585bbf7f346cb0c7e19b2550e00191eef5a17b11157a1bf976320fa5758201ed

witness_v1_taproot

OP_1 81405a3949655b42c54d52a4fd63e849fd5a5ef0f61926756f8171ea02046eab

witness_v1_taproot

OP_1 b269502ed7dc23680125d574324fda9e2f32f90fe98e4a68e9cb893f7443e2ef

witness_v0_keyhash

OP_0 409ee308dcd1d45e161c546fa6ba59570cb70d85

witness_v0_keyhash

OP_0 c39a6ccbb325d46e50ec076b66cbaed2b9f1e738

witness_v1_taproot

OP_1 7535964be01581406631b289a40ef4387f3bce0334358e5f20009b6e98b050b1

witness_v1_taproot

OP_1 9ddbef7de7c88a8664c08043e7b8ba378a1f9dc042133e062f62708808684088

witness_v0_keyhash

OP_0 17bd31ad24e10fd80bf794fc95b90f3177f1db5d

witness_v0_keyhash

OP_0 2b7f9c7833a5f1d6d78c21ec108ec98319d39bfd

witness_v0_keyhash

OP_0 3f605e0950a36d01925086f029a22b529422749e

witness_v0_keyhash

OP_0 c5029549c3cb54c5a8edaf3d5c338b5d71c4f925

witness_v1_taproot

OP_1 43796d055c60e4124fdcd1f5beb6ab91f7f2d15a010cee8a7c87c9630a55ce58

witness_v1_taproot

OP_1 9f288de589fd681af4b606e11f9ee2a58739e76807a47efb4591d1639264a108

witness_v0_keyhash

OP_0 389fbbc7d62f4cc8c4cac5a29e1212cf722f7c6a

witness_v0_keyhash

OP_0 aef254d7f8716a6afe3361cbf5e5485649b82149

witness_v0_keyhash

OP_0 51b5224f997018f04602ab4c5523131d19ff15fb