交易 b1ef04e6d6846947f5110d6a3bb1338f28cc442b9f9e889da81254bac63e80f1

基本信息

  • 写入区块
    846434 (Main Chain)
  • 确认数 28857 次确认
  • 时间戳 2024-06-04 10:05:17
  • 交易大小 6295 Bytes
  • 其他区块浏览器 BLOCKCHAIR
  • 输入 3.63219075 BTC
  • 输出 3.63113137 BTC
  • 交易费 0.00105938 BTC
  • 交易费率 0.00017232 BTC / KB
  • 推荐钱包 CoinEx Wallet
输入(1 笔) 3.63219075 BTC
输出(190 笔) 3.63113137 BTC
输出(190 笔) 3.63113137 BTC
输入脚本
输出脚本

witness_v0_keyhash

输出脚本

scripthash

OP_HASH160 b13b20e04fce2b57f730dffe4c71543d6a717d66 OP_EQUAL

witness_v0_keyhash

OP_0 8351b40f813a593ba4ef6ddf0b84dc62fca7d614

witness_v0_scripthash

OP_0 d372a16dbb82bac59abf6e99fd47b8ccb24e5cd4a3178a1f2b1ce21ccfd7d86e

pubkeyhash

OP_DUP OP_HASH160 47cb55432613adeef02709214ca4e3989b51bbcb OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 bfe0158114a92e6c9f7365997a45a1f7ff01d21f

scripthash

OP_HASH160 cf014524969871acda989e94678e5bdc993e7974 OP_EQUAL

pubkeyhash

OP_DUP OP_HASH160 5e093b6ca79ab15c61f8f8c1681c2117f4f56b62 OP_EQUALVERIFY OP_CHECKSIG

scripthash

OP_HASH160 946eff5b7755e0010c314241f1a43ee17e71b885 OP_EQUAL

pubkeyhash

OP_DUP OP_HASH160 e48161bb0e0d53ba01d6271ce50ce7c1a8509d7a OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 da3ee108ff780691a8d748178409272a428fd029 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 c4ba62fd40d9333302414f62904ac5283ad56d80

witness_v0_keyhash

OP_0 c2f2bbe9243144a2b67c43676300633c6a2ee56a

scripthash

OP_HASH160 a5fca381c19311bb3ce346ab949044a525458beb OP_EQUAL

witness_v0_keyhash

OP_0 7cb5ff2cd3b83921bbe8627034d39a3cbfe456c5

witness_v0_keyhash

OP_0 e340342d106013763871da25230e76e68b3b1904

scripthash

OP_HASH160 25f6eeb4f7df6a0e7d3857038344031970ee9757 OP_EQUAL

witness_v0_keyhash

OP_0 75fa9496b43818997c0a8c19cd9b54aad33e6cb7

scripthash

OP_HASH160 dbcfbe62d0e7515dff44545ea44d4b371b393575 OP_EQUAL

scripthash

OP_HASH160 8956a310ae37bb4ffa5f3849f736d8b2467e1870 OP_EQUAL

scripthash

OP_HASH160 c326f56c2303ec3c0ab14c67d0cd0aa143846885 OP_EQUAL

pubkeyhash

OP_DUP OP_HASH160 1db2686e49ea6af90b85de896bcd6d5ac6f319f8 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 84bce3c0ecfa9cc1421ee992f24bbb7351149ed4

scripthash

OP_HASH160 492d5752bbf89f129ac0aef8a683d665a897ce91 OP_EQUAL

witness_v0_keyhash

OP_0 454eedc853771b0b47ca84de5982934bdec3b2e1

pubkeyhash

OP_DUP OP_HASH160 2677920c8e475199042f491969ffe7c5e6f9be7c OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 c94ab098f85281d205d089fcf7f8df6414533778

witness_v0_keyhash

OP_0 2288ee4ae2cbbc197da2e6f1104965b6a6ff8cd4

witness_v0_scripthash

OP_0 e51371495968a0d602cfab12d4e781fcfb6fa18945a2e18190ea4393c866b23b

pubkeyhash

OP_DUP OP_HASH160 e8cbae16f14bfd9dd5bfd4db3b830b0ffc8429f0 OP_EQUALVERIFY OP_CHECKSIG

scripthash

OP_HASH160 ae0e9cbe4d0a4c0b97c3c16854d4c8999b03d92e OP_EQUAL

scripthash

OP_HASH160 c21eec55e8441d8ba32503267d0853eb0be44a20 OP_EQUAL

scripthash

OP_HASH160 cab25ff4926b3fc9b23207289551f1ccdd90dcbc OP_EQUAL

witness_v0_keyhash

OP_0 611dad7aa2f0773ce3b6c94fc878746b81f9ed5d

witness_v0_keyhash

OP_0 0258c7badcae840d53b3a7e0b6be8ba4c96b45c7

witness_v0_keyhash

OP_0 7fa8ad39983b2918adbf3f5edc30d8b13ff884c6

pubkeyhash

OP_DUP OP_HASH160 a041ad79afee6330c83930f1817a325ac8d30cfc OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 667e9183cc5c154d5fa6695d58f3a03341459e7a

witness_v0_keyhash

OP_0 a6e383d0a3ff355cc8fc17e72e40839507a3173a

pubkeyhash

OP_DUP OP_HASH160 86e570dda3759fba4bd1ad85c3af8fed5467c76a OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 445ce6a10e5610f2b2e8a588bf3b91e1841f8b13

witness_v0_keyhash

OP_0 b656bc323425c3d8326ef2acb08ee6310e06c67b

witness_v0_keyhash

OP_0 609eddcd8398289382bc8b3536d0bc821b29e627

scripthash

OP_HASH160 bac217d2d0ebc742a0965201bf6548b2b2b80e97 OP_EQUAL

witness_v0_keyhash

OP_0 e87b480e55aaaccb71450abb8704e64a5f8e9879

pubkeyhash

OP_DUP OP_HASH160 287bb2cc99f970ba425aa0a9e7718a75a5f6bd9b OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 95411fdcdf1da5381e7b008f40d1916d1810a79c OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 d6fea6a98471a1f0703a8bc825451144297f6ae2

scripthash

OP_HASH160 925e6b1a8bc441cffc6ea31d6b738190d6d8cdac OP_EQUAL

witness_v0_keyhash

OP_0 0e9be279ebb7745e76871263f5c6b03022534305

witness_v0_keyhash

OP_0 74f9fa2158ccb18a104177ddab30723a47b71106

witness_v0_keyhash

OP_0 57e91c09864a79f80b4e58845948b1933c5cb4b5

pubkeyhash

OP_DUP OP_HASH160 8c70e8ab5c1f1a14e75d71194451a2a5201746b4 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 2696c3833f73876ff8c836a27a882cfc16c54e46

witness_v0_keyhash

OP_0 043aed739672b3de287d9bacb161faa8bbfc4199

witness_v0_keyhash

OP_0 235254b382e557e806177ea44083cf0b8269ce8f

pubkeyhash

OP_DUP OP_HASH160 ba14eb3e6f67d321a755d27d373a219c9c7f0e41 OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 066f6a593a02e5aaba6235241997cea72fdc0b7d OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 42bb17f6fda858364a2f912466ab17e982a9cb3b

witness_v0_keyhash

OP_0 c51c64ddbcf4b5253b6fd3c0950de993aade1a7a

witness_v0_keyhash

OP_0 c3cad1117529a44821bcb1e266a2d7c9fb2ece25

pubkeyhash

OP_DUP OP_HASH160 48df665369b9fa8c73f184c6bafe0bfb5ae8feaa OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 a5d3b7be1fc9d0fb701cca20ef3e7d0edc73e56a

witness_v0_keyhash

OP_0 70946b842ec31f27ed6176d954fee23aca709209

pubkeyhash

OP_DUP OP_HASH160 aec937c2b478be4bda039bb311d9150be8d460ea OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 67c7c88b95cce21684aa32f93b799132b708f961 OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 8affe2b9477a8f70c167e1cc5afdde208c8b498f OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 2815f5895b361a6d3879107db8aa316c1be93adb

witness_v0_keyhash

OP_0 5619ba36ddd34bac645c00e4b229f29c1b0710db

witness_v0_keyhash

OP_0 a96e55d59141b35d00c00516c0b49e14c72204fc

scripthash

OP_HASH160 159589548cc0f50e4a61b689ca6ecce09baf2ec5 OP_EQUAL

witness_v0_keyhash

OP_0 38af1b034ed201c52a737bc3ede6b984f660b27d

pubkeyhash

OP_DUP OP_HASH160 d9139b0d0b3467b5d3e930817c1deb9072f4e758 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 8a1ae567a65c20cd6dc9ac99e47b579b57405192

pubkeyhash

OP_DUP OP_HASH160 2718e7592c0ed4e45eecfb153a52fab294c44d2c OP_EQUALVERIFY OP_CHECKSIG

scripthash

OP_HASH160 99cc6db19a3c61be49c85c3f81b5c291fa76b425 OP_EQUAL

witness_v0_keyhash

OP_0 fa1a977c1e8a378279686e25ae3d90e99c724ddc

pubkeyhash

OP_DUP OP_HASH160 571159b07a4099ed50a9abb6c801a2bc25dea82b OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 2fbaa080b8562417d3acbb2203b370e2f501c96a

pubkeyhash

OP_DUP OP_HASH160 d071c42a87f95eb28642b71dd804393be20650a7 OP_EQUALVERIFY OP_CHECKSIG

scripthash

OP_HASH160 8ab47f0f3baa75c79d8204b5f5b8b03006976003 OP_EQUAL

witness_v0_keyhash

OP_0 bfa160056ebbec84c1ddcbb109305d72994ae9f9

pubkeyhash

OP_DUP OP_HASH160 3ad02fee0d9ade84a583578528962a875227ff18 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 06ca9b03603484f766f9f1976faa416f040a331e

witness_v0_keyhash

OP_0 1ca7b0922cad9edf7802bdc056c2c405d652e1b8

witness_v0_keyhash

OP_0 393f091fdd6804f92095f3e536327faa33b55fa7

pubkeyhash

OP_DUP OP_HASH160 42aa7e763ccbb2e1c01cd5399a9533e66a702ab1 OP_EQUALVERIFY OP_CHECKSIG

scripthash

OP_HASH160 d73e8778d12fbdc520e73edf62c4c66fe967ef4b OP_EQUAL

pubkeyhash

OP_DUP OP_HASH160 e05251292ebf5bd16ffdc004c120d6c3c0fbd8fd OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 f545854f2d96e97d5a103ffaecc05f55130d5791 OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 c936bd8c5fa1add076fc4aaf0032ddac4e5bd3f7 OP_EQUALVERIFY OP_CHECKSIG

scripthash

OP_HASH160 5751ba86900b72d43d16b91ef83b6ba7b79362d2 OP_EQUAL

witness_v0_keyhash

OP_0 355298f3691ceb6196419c18e17593062dd481f5

pubkeyhash

OP_DUP OP_HASH160 7a274c21742d1c9fe1a3a37152791b743684043e OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 61e168d32c429f5093ef74248ba6f8746357d377

witness_v0_keyhash

OP_0 2225eac089377a8d9f0e22a7d47dad1862e91947

witness_v0_keyhash

OP_0 2c2843b57386fa26a59a6147e50934f4699194c0

scripthash

OP_HASH160 a0a4d5e05b921fdd0afbed508c5fc6afc411ca22 OP_EQUAL

witness_v0_keyhash

OP_0 c07e5b22d6ddf7a5f3f80c5411a1c06771749521

scripthash

OP_HASH160 69ad39a19df34d4cbfd7d01f515435d4cc8aeca3 OP_EQUAL

scripthash

OP_HASH160 ae7a0e821048060d525750638755ba476c0abe1f OP_EQUAL

witness_v0_keyhash

OP_0 16310522505b5d9e469fac8b25361bb03d9b31e4

scripthash

OP_HASH160 777a50938713e23a0516b73aa10dfac0f0e57314 OP_EQUAL

pubkeyhash

OP_DUP OP_HASH160 78263a29c615e4fcde1b851aba4478bf4a11d873 OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 0c9c5aa5ba6aaa39cd53b5631c2aedb80083277e OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 ef556c10e27b445fb811ac42f2edc3a9fa956f8c

witness_v0_keyhash

OP_0 63cc1d668720ff763ba80c9348c1b7dd4223f5cf

witness_v0_keyhash

OP_0 0531368d499ec9bf068537c838293bbea3271980

witness_v0_keyhash

OP_0 2ce4f70173274cd53da44cedc1a72cdd12d609b2

witness_v0_keyhash

OP_0 ff1af0c9670463c341548f9a5dd29931d5e0c494

pubkeyhash

OP_DUP OP_HASH160 5434894c35fdceee1f1af16ae74fdb48526dd4d2 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 840e2c1d14c6887b32e13d0901c85bd46045f0fd

scripthash

OP_HASH160 ca9a33abe680b61b6b3bbea562f5714b707aaa24 OP_EQUAL

witness_v0_keyhash

OP_0 b4c04d62694654d1230730d4719f0f1de6ab9524

witness_v0_keyhash

OP_0 ee8f4a05313a27c9aa8f3c1e9353d14004922829

witness_v0_keyhash

OP_0 6addbd96828f4684dd30a8ab75d969788667cf40

witness_v0_keyhash

OP_0 eadf68ae1de535367a9881846d49a87d3d640786

scripthash

OP_HASH160 f52a2c42eb43c1724c475af3693f891f7a37cdbe OP_EQUAL

witness_v0_keyhash

OP_0 99fac747333dc748b3ad1c540f28e9279927d4e5

witness_v0_keyhash

OP_0 7ee7eb501a9ab341081e7c7877b29dc989d2a24c

scripthash

OP_HASH160 7c2cf69a780368927488f5fb9d6142f1921e5f7d OP_EQUAL

witness_v0_keyhash

OP_0 ad185c52843048ac4bd8e100a7376543d4b1de4d

witness_v0_keyhash

OP_0 8ca5ea54d0cd3c9be14aabbd32fae1cc043ae1b3

witness_v0_keyhash

OP_0 70c0efb216c9a823445a78abd36560dbec3ea3d3

witness_v0_keyhash

OP_0 1926fddfe94b778183379fc109f01782997b117b

witness_v0_keyhash

OP_0 831ad623721b95a7f66ae17e4d4c2c46a6cfe9b8

witness_v0_keyhash

OP_0 86949b4cc470a472264b7fb30a76870519cd9f5d

pubkeyhash

OP_DUP OP_HASH160 e701b7c0aeb0f8391c15fc9920705fe9ee00c926 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 aff07bc752471cd675c806360c520d5dd405829b

witness_v1_taproot

OP_1 1e16249eeebc53d702c93f733c013cafb69034bb549e2c8f079b43055cf1e981

witness_v0_keyhash

OP_0 5b822f9539b43a6344325045656d293fb6af343f

witness_v0_keyhash

OP_0 3a80b0af2990ee46e9e537d0d620d9d6dac5bfe5

witness_v0_keyhash

OP_0 23586f499cb101f34dfb252474988090f6a064a7

witness_v0_keyhash

OP_0 af9d626c03f3946efbefaf4fc90c9c3c40464adc

witness_v0_keyhash

OP_0 a336a9fc6197bbf9021e6c2e3585cb6e679c206c

pubkeyhash

OP_DUP OP_HASH160 9ee49423b154203935050367825e93cbd3ce982c OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 7dc33c2b9778b3062d6e66a98ce5a61f873eb9e6 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 4921e55b98711faf938ef5e7c50f5896e0b82a02

witness_v0_keyhash

OP_0 c7ffad43896543346dfaf28ac819099e81b79ea5

witness_v0_keyhash

OP_0 b5d048b0e7b4d07e3ac0c4219459ecb8068de812

witness_v0_keyhash

OP_0 f1b4c70750b03d45b010af0832209c6fc9cd75b0

witness_v0_keyhash

OP_0 14d9faff94f6c959d9f1c4ad22930e6d55d1f984

scripthash

OP_HASH160 31b71ee0af8059b606c0833f15db8c307a738e9e OP_EQUAL

witness_v0_keyhash

OP_0 eec3faa38f9ac99a8bf022da3eb823dcc58fc6a5

scripthash

OP_HASH160 7a088905cb076a480a436b75d9716499097f6d9a OP_EQUAL

witness_v0_scripthash

OP_0 dd52d426a5506562512dd4c851e436956c71094abd3259d67c5e56b1651f11fd

pubkeyhash

OP_DUP OP_HASH160 dd287df0d57193d90849297bb72ba482963597c0 OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 d4ea0578edea2fdd656615e12710eb1a186f828d OP_EQUALVERIFY OP_CHECKSIG

witness_v0_scripthash

OP_0 b3306cfd617d355391044dcb20d59fed06b8b8216be121e7d97f5fc4bafb567c

pubkeyhash

OP_DUP OP_HASH160 36d910166316e8ac43fd76a0a1d299f74a7cb6e9 OP_EQUALVERIFY OP_CHECKSIG

scripthash

OP_HASH160 3824e4b3ecc618cc0ba9c649ecbc311e1d92baf4 OP_EQUAL

witness_v0_keyhash

OP_0 537834130ded03e393e6bc43922299cdc9e85763

witness_v0_keyhash

OP_0 011d3d4ff553edd9f5e09d63681007ad7600ae88

witness_v0_keyhash

OP_0 c5dcbb67f33b895b3b2e60e0353b9e93e4d7cd75

pubkeyhash

OP_DUP OP_HASH160 1ff0669eefa7f598e3287886dc2d3210f7724e78 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 7e1648dbd0f4276e226200e44ac58134a6270b6c

witness_v0_keyhash

OP_0 0d6501ac3d1e303accfac40b1248f1faa3259b2c

pubkeyhash

OP_DUP OP_HASH160 fb16172f866ccb2f822f05dadc3de7c4d94edf91 OP_EQUALVERIFY OP_CHECKSIG

scripthash

OP_HASH160 f00d36f6cf10b238f2471a77ea27af6bbcecdcf9 OP_EQUAL

witness_v0_keyhash

OP_0 73cfcfb44353d719304a18443c82ab7a1201afa5

witness_v0_keyhash

OP_0 800793841fdb9f66f4a68ff4ff6c0b526f988ad6

scripthash

OP_HASH160 0ba17bbad582320308039c764ac3d64183ce9f1e OP_EQUAL

witness_v0_keyhash

OP_0 6025656b7ae51b17b3794310ab147e8fb162af2e

pubkeyhash

OP_DUP OP_HASH160 067177e972ab68f9b70d527601b6e6c7e4805346 OP_EQUALVERIFY OP_CHECKSIG

scripthash

OP_HASH160 0fb322f89c193f7868ee04e5502ea884db14c312 OP_EQUAL

witness_v0_keyhash

OP_0 b6669f106217d9dac605e12924fd4204a597a828

pubkeyhash

OP_DUP OP_HASH160 4e0951941ab36477bb5b9a2aa3ad7f5719a68de1 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 7858e963fb8e8886aac7da1d9f6761d009ca6ce8

pubkeyhash

OP_DUP OP_HASH160 27cffd0ab3ef77d6832738e5d67c3adf48ca4131 OP_EQUALVERIFY OP_CHECKSIG

scripthash

OP_HASH160 fbb590626bbda9be6f28368ae447d2cd7e339893 OP_EQUAL

pubkeyhash

OP_DUP OP_HASH160 ac2b46f19b99526dbb052f88777de8fc3a3b58b7 OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 7c199cdc5670e83092a0ac6a15e892f7b2aeb30f OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 60179195312c4796e94dcc65e36fe1f847a3081b

pubkeyhash

OP_DUP OP_HASH160 8a475cd12233506ba310218a24b26bdc950c98cd OP_EQUALVERIFY OP_CHECKSIG

pubkeyhash

OP_DUP OP_HASH160 9d87987f68f02b6597cee07d4dc940ed4ec9cc4f OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 71ad529fae92a2f9d4c27c8d7a91e55c2d1e1568

pubkeyhash

OP_DUP OP_HASH160 55f2fdafedae62fd20dc6f66570e229a21967358 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 20a561c6b6420610ee45c289e8b79860cf623807

witness_v0_keyhash

OP_0 bd39b56a09d59bae67127c2db1bc65013227bd04

pubkeyhash

OP_DUP OP_HASH160 67d9bfb1a289e30365d47d25ecf2f04de6d77971 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 8243e39cb65e66e6e4e51f58153034814e2922dc

scripthash

OP_HASH160 e01ccca33297a918eba0e12366cdd7bd674034fb OP_EQUAL

witness_v0_keyhash

OP_0 08ad1101a36dcd33c5d738b4c3219ef48b4f1911

pubkeyhash

OP_DUP OP_HASH160 263fe06e6448eefd1ae8d8af7bd57a0cfc5466b4 OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 993754e928b0aaedc090a689e5899a09593442d4

witness_v0_keyhash

OP_0 22e6f81efb662dadc802b61fc57ef2941521e04f

scripthash

OP_HASH160 f15a778f0a801d123e053cbb3e30609d0e35df02 OP_EQUAL

witness_v0_keyhash

OP_0 88b2183b6c5bd3d777fc69ff348a549946b406c7

pubkeyhash

OP_DUP OP_HASH160 5b117c7f8453aac9f07111dee2bdbfd9c9a55cdb OP_EQUALVERIFY OP_CHECKSIG

witness_v0_keyhash

OP_0 e9d528a01099a9fe484daa1c8abdb07071560694

witness_v0_keyhash

OP_0 9f57b533190ca5791e9f1c95cea2a32ce18946b4