ef68e4c8629990909a0cb3b821babb1f2206553813cf3f4780d16237203b134b
Bitcoin Transaction
- Block No.
- 502,560
- Time
- 2018-01-04 15:58:34 UTC
- Status
- Confirmed
- Confirmations
- 343,986
- # Inputs
- 21
- # Outputs
- 51
- Value
- 3.18177502 BTC
- Value ($)
- 41,037.58 USD
- Total Fee
- 0.02815739 BTC
- Total Fee ($)
- 363.17 USD
- Size
- 8,048 B
- Virtual Size
- 7,464 B
- Fee per Byte
- 378 sats
- Space Saved
- 7.26%
Inputs
Outputs
Scripts
Input
0
30440220648b0e4cb18ef8588023b0c5ccefe28917021f8fe3ff9bad095c046fd898ab7402202c823bdb824dba6a46121b9fc97c7f9f24e7d9639efd4535778ad617cba1e8fa01 30450221009c1c651365f7c029ae97bf4d4d022f152a56cba00d1d63f372224b0d277ea7ab022064f2877a4c1eda06a03a545b1df72961736816cc915e08c34e56ac9ebb1ae3f901 5221031aeceee10bf3c4277fe33fc0b0b7c71b53123f8037acc92337340c6f3dcaa17d210382f5e07c11bb7bb3d0edd5e3e9293694e9b4b7a4da3b50ca1887d162ddf961e921020b683665c277f93575fa4c0f256f5ebf4254f0cfe9f564428f075cb95950815353ae
Input
1
0 3045022100b627e431f2119cc290836167865e9c5ab2a47c8591551020a0df04bbb5b01c500220688d00337021f3c3d65a5ad13ea93181280f206cc071f36decbeb2179ad55da401 3045022100839fd3b0c49babd6cbd333acc9fb475fcfbca98731973ceb121ab20f10e1ebe202203a057a56b994dabaadbced83192bd065e3396efd018db25f2b3dbcec49bf86ab01 52210329f5b45e102febd406a660637a3be19197e8937ea41fe6cd76685728758787d321037235aabf79843a6df252178bd130a8fd4526b40d99739757f25c47329ba65dc22102489d2f0b135ef5c734c1a644974a6c1914c638d419f67ecbd82ca036de11449453ae
Input
2
0 3045022100ee7e4361404f87cbd3ea6cb05d74e228a7227cc283187aea2fe9966ac8260b9f022049153d517a2cd42ab9eadaaa1d4ba2a4e14cfbcf18497fcd7619e6b2560d753e01 3044022071922af7c3ed3eb397bba0111f56dca53af0f109f3cf28543ee5fd714c19b5ef0220126fe19e729a9f26115fb62a11217e1706559315363231e56a215ad32a6a975f01 5221039c51a239b029d2262a9ccb7bf22c42c6303f8d6dcdb4275859e435f58fa03ae721023c75ee1c07c9301917fb419a969296ea03fc9b7a0dfc49c893457b02da14147f2103fee0dfb56c0c4cfaf6df9fed14402066ec2eddede5b01a1cc3621fe28351d75953ae
Input
3
0 3045022100afc41f08d913c6f8b5c26228626a6cdc8cc2e43686a4fc24a4246f38361cf3ea02201272aa9c3b3e6365d198bf92e4ca3bf9fdce3a9216e1387e1b021ae6814b16bd01 304402202424d011e95d785836da01361dab0fdac1a1625f3b401695f5d9262810c8c72502201f7f401e5c1a2e80b5ce06b084fc72ef9b244edf04b5258f52d6063fb1cde14001 5221025e5ca7ac8573aab36b4ad8582808edb53bfa2c1d71e822ffab082230d144a659210232a221149d0e6d3efe8ac604dbb8bb93cdae600615b45a2afa66e1a14490e394210297adf67d93b28eb1a252405cfa96b573d012c2ae7ec23ed2f4e9d3fbc10b54e253ae
Input
4
0 304402203fdc280dd530a46e0ac711f5bc2363171c2bd0c1c38de68cd741e29f37da837f022004f427cbde030334f5d2f9a2f19a2a17fdcedd72519616a8f4c7334ca8c2e40701 3045022100ba2ebd60eb433dc9b82434afc3e08188380418055cc4a569ad4cd38dfbb90a2802200f8662085b3a0486e4f3112bbdbcbd1df5111e38c87b7b6ff5aab9cff096075c01 52210350f3a7b51888308d5657033d6434022e9c514b44023e9178e133b55bad0b920b2103c4059a3144d6548aca5adf51bb465cfdbd41d83e58072feed2cb08ac0202f0022103a9ec551c858628ece1ec22299404711b32b88f785f65f1e2bfc5ae02711c20d353ae
Input
5
0 3044022044c4482ade2e2e2559fee18f9c1be3e52ce794e72f2d7f60fc9c68f93b125750022002d0f75a553504bfffcdf88ef3d615816eca9d0857e5ec1287a88f9bd13e69ed01 3044022048966bda99428cd759fdc88873973120dc3af62e7b239d16613fbb188688817c022039e8968079bc09c2b42483bdc4e3b1c8b1a790dddb8d2f45a6525e376890d3d301 522103ef7386d492f7e69c4cabb0c8160d929c45fc34c4eb44eee12005d40688e3fe18210263831ee17d03b474ca0d40b3c25c4fccb49180feabc53f18cf7e933094c3ccbf21026d9dbf35f394d78b9aa4874f95f1e40061433b401c84c619e41446a84e67edb853ae
Input
6
0 3045022100d4a95c2d09bfe5c8836e670e66ba4a7e198ca8971de4b3b08c62954f95e2a8e9022002dd17fa4042f4159551a6b203e55537c8f1b8db28b8570966b1412560175edf01 304502210093043b2ef44ad7209797734ae9a70c4fbf6c545961d7db3f55492e99c2f990fc022055512494b2b93c7cb1b0bd2d0c1a17b56789d20f9461060748c2985d3711b16b01 522102f5e66c49b741c2bf57817c1488c55a655efe5e94c8b831a205ca812eb8aea25021021d5c90ea43859971ef1838d1dd5455e9ad18663d835dd0441d243ca4ea9e6700210389ae3888c0d83125dcb1f02ea63bd8ae908cce9077645dde6232f7a0a2781ad953ae
Input
7
304502210088c20000df015aed81fa452643855950f6f87c8251f33d75a1928a5fbae83567022021336ff758fffa9a526724d1656d46396957c4d268e14f880a94fbe92a06ca9501 3045022100f2bcca4f1b1440b73e88b9f083b1ff73c5d54fd3805b145163a4116ca681ef710220036b3a647abf93273c4c90cac3f63b88a2e76164cf7fd6f7ad8e1a31ae52436d01 522102ca54ded28ef31598530ce33445407cfc798bdc6b9062510f4aa9b3bb60bfbad8210370a127a833867e939d756fb9102289848b572f7e08e6ab46a1b80276cfbddab02102e63ed716f5214a10c7badef513de94bbfb878dc2d03ab5876a5cab40ba7f5d6153ae
Input
8
0 3045022100d7c0aac6f86918356e7bd8de0387c1a47a5a9c3a56c3b9cb6e12d61405dd48e102204679c26b0612db74040a2f0757b275a8aceeecaed46f00383b81cd313a7f88e501 3045022100d184299a0af07d5ce08d201d0d645aa3d1eaeb303ea25f4d324bd0717e0f6c8702205b26aeb84cf873bf67fdd44ed166012555b2eced514a1fba77d8af08e60d009001 522102a234bdf2c520f648745613cd763234d779002f6318e481486dc5e1ca8ff01f41210210b4a238836f23093397bd1c1ef82f18e46c3d198855aa1483569f93a2fcedc721026ad38996ed078669ba221119a281e322d70f1f29937f6b4378c05c5233a1941253ae
Input
9
0 3045022100f6a5bdb27aa94091a0f145aafda31f74027ba9f55d31792da6c62a5b6d13bcd702200a8d3dbf951860312fe3846f14506a5baa327deab146c1af1d5c6d5f12c9371101 30440220493a2dc061e9cba9488798faa849aabefa3f128e23d876b4d83d1a87ffac4872022001d7e2c1c8176ca0c68dcaace4bc4e4a615e81e9943d33cb20183e53feaff69d01 52210265361d074f5e13f546a62a96e3408019319d9f4e6a9b9e8ced1d1e043c5164b42103d6ad0e6265915ec30f4e4f00e08d0325115154bc8bf7df7a033e68210539af942103c59910bdeeff258dd9776a9c8b7125ac234c6d33e0f10defc41630425439f26353ae
Input
10
0 3045022100d3f1f135f084af4c1bc4e390409d9356bd460473a2768114848cd740a2103b000220726b7b589ed3fef0353a8ac6827b15dee8e8429062eb4d2931032b9d6e33968501 304402200841561c3ebd4a323261553bd1211fc6acb1be6a6a3bc475eb6a2aeca026599002206a4643ec5a5371fff25b73e7e2a6b6236e58fac144991e7dd8e4b94381dccfe501 52210382208d8c790fb5abaca06af361bece6000e4f9fa09c87a306994448e643d0d802102c534d9de4ab1817f302e537d17e49ea2b10aa1c3dbee3a62295eaf75c050c51121024dd598fccd45248a389c5434f3bb21502d4204380d9daeec0f9d2fabf054337453ae
Input
11
0 3045022100c178f18d329db8da55969dec6ca284d4184bb3dc33123d9d12da5869b2c8447b02200b7c1ddb1b0bec6e3366ce65ff9c65263c82bb1614a40deec0ee28908e72d9a101 3045022100f8f35a75aec3188850b659f9bc50c414dcde2db5cb02186471fadad0c43a1d3f02203bb0775034e9a72c8d70bbfb3fc7fd5fc9b027998174f29e7aea06c1a7429c9301 522102f269bae0a709eb402b9570b225a557a08b08efbccd8ac7fb7e76132697268c7c21023138b253b5a07f48fc996ec490c60e422440d8945f4bb2b12e120e20fad637112102693ca04ce5bf53a5cb2ba7a4f03d8c95007d20d01adc9ea957d1ebaddf222cdb53ae
Input
12
0 304402200a1a375f5c0469323ffe402f199ac00a0778ba848fb1bb90189c2edd612cf5100220316e252b0ab41efcd001740acb8ee17a6159855c421030bfdac658619293e8d501 304502210086809c83cf7689c5f4cc66792f0bdaca560f3f1d9dfe99beaaeac5733d6d9e9002200d57d2d22307286cff960375378cf7cb1b7b2a37709eeef203101cf4600109e501 52210303423d9e192336cbf213d336e478d9a0fa755f3f0e2e5c328233b091f34e93df210365d3cbe59a4f32f9d3d79e89aae575bd0bd60715bb82eb4f20cb4fe89b10deb7210379d8513f11b68d5ed4d17453631a35d5c1ce48dcc4518efd6191ef411a0f763053ae
Input
13
0 3045022100c90eef3d35ceb01670ee2482ee8e37d684deb530f87fa2767ca466ab97c8846c02202d79b92a1f3629ac9529513d53dbf19c4ea4ac21a231a6b382b6467f83c7c15a01 304402203a21b06b42384f28b363e4acb8d693a9ad2422492cc2b6f1c16fece587f871f20220147229ee6712d41f10379ec2fa52b93fe95573c0d0ed87d5859e3a891f3d018901 5221036b2aeb57fd13fbbe828a3e5a452fdc4ba3fe92d8217bcf896e5ae876a54599892102737ab4ec1f38cf211d612b258d7b4ac364c3a9d75ba27abb92ae848b7dc89717210310d29316aafd01e404b7c4fcd3509ea1e282bf2c26d5ee4c89fdad5f9b13307553ae
Input
14
3044022017150655840e8622cd7ff0b40274fe089100226833e66c6151d5b31e4954b5be0220560572dc6789380ba34ea2eff66d401bebc63dcb4aadd92d4ba2856b88063e0701 3044022079841be18a857c02756aab36f8a1651a2f23e223e75613dcceb89754e91b8fa902204595263575c7818c7adc5b2f8bea7dc3b62deddf55b24e2ce04214d15b955e9c01 522103325f626ae286a2ab26ce1ca6499c69489d9313ffc1aea73f4ba4214ea211eabb210300627b4eb246cfbc3ec6fcd2d467d3460e872ebed83daaf767fe89c7d0a0f15021031b333d6f5271c69f7e5d7c4b9fe6e03c5ded7f1f6f0aefca0469135ca3d5e58753ae
Input
15
0 3045022100f074fd7bd0f108606ab7fecd1e65de9d8e9a34b1ce1dc643a3e49721566413c0022000b75de70854b424267c3832e3aa8af7f041aec09afc4505c27cfcb12ea005cf01 3044022062f393929d8d339b04ff29fe8ed7e5f5225141df6aa6ae2bd83b8b788d5d1b830220264a7f6fb9509a40a7497648ba824d68d4de7e88b4b0d2f29dac15be0e31bd4201 52210265361d074f5e13f546a62a96e3408019319d9f4e6a9b9e8ced1d1e043c5164b42103d6ad0e6265915ec30f4e4f00e08d0325115154bc8bf7df7a033e68210539af942103c59910bdeeff258dd9776a9c8b7125ac234c6d33e0f10defc41630425439f26353ae
Input
16
0 3044022074f4b56f29ae0d9a647378aa67eef938128cf679b388700d92cd44fefb8ab69802201c99542b7ecf0ce343acacf30d8568117fb0b731d1ab57a773dcd02310d224a001 3045022100e39716a6e638432176025fe1a53c5a78925a0258c905c0165b5bf761c0c8ef3802201764bf0e9496a6d46fa3f5c59e19c1423a5632d48e1b713184859a6ea1eaf75d01 522103ed0424d2474a4da8c9ebf91d3ac0fc4677e81210c3b133cd24197838c104d40f2103844c75d7708f8394b6310596d4d77d61207f3ee90d4d77c26016d0ad71e91fde210366a14ed17d6be1644d63755f6076a5dfb6bd2404d1197691dc3d009f3000530953ae
Input
17
0 3045022100eaf8cb96df946f4f800f72e37eee38c8335b5815d59313943d559faa73f9f2f602207ab1b17f5538408891cc278731ad230036f835efda5057293b2fffe9571804b501 3045022100cda33516edd7c53aabc12d4f158fd36da016e4dff47ddb1f3028cd4edec5153c02203b26ca46ab2f5ecf3e60e8e987dbafa5a2776f36604aabdca676ae50e201d6ec01 52210278ba9bef0c6c411c7be986cde2d22ecd0b6a437f9650231412c3beba8b1bff6c210320bd8633bca5ac4f59061f3e264a8f50a9244ecf4631b675a38c1a7e31ed336b210377cf35cc40c2265a467783c6c97d78561bbf1900811c456f69b733f47bc00bab53ae
Input
18
0 3045022100b27849379f39222900b3956aac7a8a611b30f5ecc8224fc9579e0ab4e18dbb90022052583fddf9bf294ec7935d29b276aa6cb7ede7266e2b357340cfb1117f1fd33d01 3045022100f5007fe62923f26b43ed3de45a79e8749109c5740dd790805f6d108f5bb3f97102200666b58666e7217f984ae77c3b8bc12e108a6000f5216f98e7010ccde27b897101 52210317f7bbcf817d3a84c2ce3dd39a0f515b07d58eec84d799668742b75418b2cc7021038b429e11b841c82b73a34db23d537d469fd90e61629f4eabd117e476fd4acd5e210388135bdf8940a0b161041666378b23c8a908d6fbbcc300366922f7f4874e80d253ae
Input
19
0 304402203bf337a1f5c0fe02c9e8dab6470c4c5941a4a732fd508b20328153eea584abe902204bd37ccbe98a9aba01073b3893079192d5c8d49da3f4dd8f729ed0f7e80a88bc01 30440220728cad39c628143b589c88481c7a33f2b076c694dd42525c49b8cd4c0a003ae602202011db9a2131b13244bb99d0ac0ad646d142ed0be9bc559fc21295997afe1a2d01 5221035b736b04e122d34da3cb22faa1293305f1af3ed6f97ad4606692882b307b49c42103e8f7f8b64734e6aba7f1a930be76e032411100ab5b18cf1a7b7aa695ab3225d12103b88c970e7f423e40e96f1bb606b9f64ec294cc033bf6f507ff3f5aeb10cf1f0a53ae
Input
20
0 304402205a49339077c5ed3fc1276356d94c8aac0b1342844efefab46a565214538c84210220600ba558f91953e4f203c26cfdad6820ddda60b50ff0f98b52e6605b03423fd001 304402203e1309b6cab362ef2da0c127fc1fc86266e5c456ce47256539813f226ed14923022001519f82cb2276270be8e77b7e29d23937a5a262da4f7639f08572d09e82879f01 52210338ee787630e0dabb66678dbf969434024d8de0d8748251a176553a672a993a1b21024152fbb6f45a03ff8b71ba782b5ec6f8c411435e19bdf805348b701ebb1b2aa0210235fda1f1454f42bc7e3fbd7ffe3746e327f82d2afdaa7bb876e1b54dcce0d45453ae
Output
0
OP_HASH160 59ce0941ed4b14d576ae21093a3623e18e14319b OP_EQUAL
Output
1
OP_HASH160 a153abea26746912700cadd30f4feaed0ab5d45b OP_EQUAL
Output
2
OP_DUP OP_HASH160 cea3d6af2e4cab4d79c11a9090b756d306256c54 OP_EQUALVERIFY OP_CHECKSIG
Output
3
OP_DUP OP_HASH160 15109d847f3b706d093bedad259291d9f93f2293 OP_EQUALVERIFY OP_CHECKSIG
Output
4
OP_HASH160 fa326c1f60509159d90b9f0e86261c5a8d31e174 OP_EQUAL
Output
5
OP_DUP OP_HASH160 7f6cd0110495dbcf4f08e5e7d693537f4d6b2d39 OP_EQUALVERIFY OP_CHECKSIG
Output
6
OP_DUP OP_HASH160 5c2564dcddb965eeb89c5ae361c482f494f4ecd3 OP_EQUALVERIFY OP_CHECKSIG
Output
7
OP_HASH160 91b5bf5cbfedf9ed21bf5fcd378572bd352e54d6 OP_EQUAL
Output
8
OP_DUP OP_HASH160 c08fe0e251f4cf09758763af727512b5c7da13b5 OP_EQUALVERIFY OP_CHECKSIG
Output
9
OP_DUP OP_HASH160 2712f9b1a8fd4e2f7f5f7e3d67c118613f4036ad OP_EQUALVERIFY OP_CHECKSIG
Output
10
OP_DUP OP_HASH160 8a07a95ab75d71de2a4859aabf11a0539164b50a OP_EQUALVERIFY OP_CHECKSIG
Output
11
OP_DUP OP_HASH160 3be41d16c607717fd7bc84b5f281c5706a1655db OP_EQUALVERIFY OP_CHECKSIG
Output
12
OP_DUP OP_HASH160 44b52e7883ec3d4c9955c7a1921a1fb90e0fb3db OP_EQUALVERIFY OP_CHECKSIG
Output
13
OP_DUP OP_HASH160 8f5783b54b6dec3dd7772675bcd0f87391648f50 OP_EQUALVERIFY OP_CHECKSIG
Output
14
OP_DUP OP_HASH160 cfa1a644cd6d328576f5dc9a91eec9d788988e30 OP_EQUALVERIFY OP_CHECKSIG
Output
15
OP_DUP OP_HASH160 dad4bdda4ca5cc4e104a474668294690623812e9 OP_EQUALVERIFY OP_CHECKSIG
Output
16
OP_DUP OP_HASH160 c9d26c2b2ad1c1386961d46ea291c6e877f9bcee OP_EQUALVERIFY OP_CHECKSIG
Output
17
OP_HASH160 124c46fe61c90581aef13c434a634b28e06a7221 OP_EQUAL
Output
18
OP_HASH160 9df03667d7642869e1fa1df8325f1291f0dc6526 OP_EQUAL
Output
19
OP_HASH160 d5aaaf97c1d11140ffefe97c99b88c934065b414 OP_EQUAL
Output
20
OP_DUP OP_HASH160 6685430542b9caa9377499df7f09d93b9c4e67ed OP_EQUALVERIFY OP_CHECKSIG
Output
21
OP_DUP OP_HASH160 8579b19c7accfaede3a0855d2048072ad181794f OP_EQUALVERIFY OP_CHECKSIG
Output
22
OP_DUP OP_HASH160 b536bcbd5eeb6b548d34489c154f33bc4650cae5 OP_EQUALVERIFY OP_CHECKSIG
Output
23
OP_DUP OP_HASH160 924f72b41d13e33b687a14bd4e8c4ac1717d51ec OP_EQUALVERIFY OP_CHECKSIG
Output
24
OP_HASH160 61517c859bb88a378e579e0fdb32b4f3873e6246 OP_EQUAL
Output
25
OP_HASH160 ee1eae0e71bd5c4675819651fd2a66b2cf1b9a87 OP_EQUAL
Output
26
OP_DUP OP_HASH160 78ab476061c950947a708e9fcc38c725d2b6b3a7 OP_EQUALVERIFY OP_CHECKSIG
Output
27
OP_DUP OP_HASH160 ec601b4894c304b3fdb804b2b4377aa10162f2a4 OP_EQUALVERIFY OP_CHECKSIG
Output
28
OP_DUP OP_HASH160 b1a1cf46bbe5bbd9bbda245393a7a2d87b1f34c6 OP_EQUALVERIFY OP_CHECKSIG
Output
29
OP_HASH160 0d12c935ff8e9103a7dd6c9dc73b9cc5d01714c8 OP_EQUAL
Output
30
OP_HASH160 750721f50fd5a010277f99ca82d78dbaaee10316 OP_EQUAL
Output
31
OP_HASH160 0254272e05d26af02a1e57f2698917e7f21f6f88 OP_EQUAL
Output
32
OP_DUP OP_HASH160 35d70ca362111bc782f5f3babb01b108f793b078 OP_EQUALVERIFY OP_CHECKSIG
Output
33
OP_DUP OP_HASH160 216f90bfa03d42037178b8c1ef8cbc34ab1c9f21 OP_EQUALVERIFY OP_CHECKSIG
Output
34
OP_DUP OP_HASH160 14115a4f6422f148d7fb8ee079fad8797f7feab2 OP_EQUALVERIFY OP_CHECKSIG
Output
35
OP_DUP OP_HASH160 e915764f8e0035a1ff00e82ccc27aec2f77f0e05 OP_EQUALVERIFY OP_CHECKSIG
Output
36
OP_DUP OP_HASH160 354d38809111e4821df274e31487de178ce8a520 OP_EQUALVERIFY OP_CHECKSIG
Output
37
OP_DUP OP_HASH160 b2b4d0b4246e860562c587dc8028d8a46e21a698 OP_EQUALVERIFY OP_CHECKSIG
Output
38
OP_HASH160 c9e161a6beb5f164f75a287d254d2d2ba9e0db32 OP_EQUAL
Output
39
OP_DUP OP_HASH160 824b7dbb295d745189570ce85cea3b81afd8ee66 OP_EQUALVERIFY OP_CHECKSIG
Output
40
OP_DUP OP_HASH160 8b939724567386ac8c72247b86f129d21e825c13 OP_EQUALVERIFY OP_CHECKSIG
Output
41
OP_DUP OP_HASH160 2257282958f91c846ec312e9bbe4b6b6e4d89040 OP_EQUALVERIFY OP_CHECKSIG
Output
42
OP_DUP OP_HASH160 1451f59aab85f31383df1a00a536823978984569 OP_EQUALVERIFY OP_CHECKSIG
Output
43
OP_DUP OP_HASH160 f2a5ae7389139958b0867c0d7a19a032e7c3ffb3 OP_EQUALVERIFY OP_CHECKSIG
Output
44
OP_DUP OP_HASH160 5bf2818aea539613dc2333fb7934cea2944a214e OP_EQUALVERIFY OP_CHECKSIG
Output
45
OP_HASH160 7057b2550aa09972e4862ce89c57eba23864a813 OP_EQUAL
Output
46
OP_DUP OP_HASH160 29eadfd4e8a0e11e5db43bbc4509ca5c37e14424 OP_EQUALVERIFY OP_CHECKSIG
Output
47
OP_DUP OP_HASH160 a1e6f0c617ae2b7e4340e0070d0ccd6853e2c757 OP_EQUALVERIFY OP_CHECKSIG
Output
48
OP_DUP OP_HASH160 b44b8c6f36677af8f37a6c7ee9e4359d34b4683c OP_EQUALVERIFY OP_CHECKSIG
Output
49
OP_DUP OP_HASH160 fd175ba82a710e132c8773cfa36db5dec517029a OP_EQUALVERIFY OP_CHECKSIG
Output
50
OP_DUP OP_HASH160 c06adbda7380ef7a0fb3727f7674ad39e1299ac3 OP_EQUALVERIFY OP_CHECKSIG