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.
Transaction Hash
628e4eeb93ef3fe38c186d14a8beb56d3acda92211df029bee6b9c8909675e71
Summary
Height
Confirmations
17,244
Timestamp
2024-06-24 16:49:17
Size (rawtx)
6,439 Bytes
Virtual Size
6,197 Bytes
Weight
24,787
Status
Confirmed
Input
3.90093714 BTC
Output
3.90000576 BTC
Sigops
211
Fees
0.00093138 BTC
Fees Rate(BTC/kVB)
0.00015030 BTC
Other Explorers
Transaction
Input (3)3.90093714 BTC
Output (184)3.90000576 BTC
Input Scripts
P2SH
1600146010f9873522a5b3642c2f5988f23faa81f2780a
`��5"��d,/Y��?���x
(witness)
3044022079fe17c7d6539b6977f08c60502800361da502edbb7762726750d54b770abd41022071253bf4a84d57256641373cd7f6b874424368ab6d9f5a628662c017fe34feee01
02a933a11ff001d31c3115d2f6a1dc32065374061eef91eb7f8458027e851405e2
P2WPKH_V0
(witness)
304402200dc265c79069696ea175f2c904c11e5bafe9a16d24a7f9ebce14b8c4ad51c7f90220141508c63541c26a2f1dbe6c6606756059df9c7c4232d8e66182957093a6525701
026f8524b4e988a086e66b7410da958a21515d7ea63831f012cebd725bd1de7d22
P2WPKH_V0
(witness)
304402201bf760cfcf223a637cef3e0037241f4081ba146a1aa525c86972c05f957320e10220329e9d2442c1c414db898b1838266c3ef6fc307e9ec5b6d56bb69c95a99a417701
02ea20cac11556204e446e68844279fbac256e107d016100a08c1985aede026b18
Output Scripts
P2WPKH_V0
OP_0 8eb8b741bbaaf8cf83729e954facde47d4e6034b
P2PKH
OP_DUP OP_HASH160 377c01ac944652ace7a460926aa0e1008fbfcac1 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 e884a8cf8425b0e71462c22a891d0bf5ef244511
P2WPKH_V0
OP_0 df882c673f82d90a42bf156395a10ce9aae3d6f1
P2WPKH_V0
OP_0 ab0025437c124013d9539632ad70b13d39d1a40a
P2WPKH_V0
OP_0 155a8311d72593de9fd047e20c43f8aca1f927c3
P2WPKH_V0
OP_0 bfe07e8893b65726c2edbd4c37fe212f498d1359
P2SH
OP_HASH160 c86b8aa1f44e51adf6438ef147cbd96886354e24 OP_EQUAL
P2WPKH_V0
OP_0 f8f69f42d70f1e4b2470548e0625d8bc26f9046d
P2PKH
OP_DUP OP_HASH160 76c8b2c0f129b4b2e4af1e0db90772fd94751037 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 38fcc39f2ff570364fdfb2b22d2d4b9011ace659
P2PKH
OP_DUP OP_HASH160 30bc0f0f0440b82ce15765240fa63d2433b59a90 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 f1444738d03d3a2720038fd05602d4e233ffc20e OP_EQUAL
P2SH
OP_HASH160 32cd1e647aa1b33bb16e57d3c1f654e21134bad3 OP_EQUAL
P2WPKH_V0
OP_0 3f92dbc1aba6ea69e5eb84ab6ddb80ae5e144482
P2WPKH_V0
OP_0 b787ca63f5f1efd4815962b7d723c477971a74d0
P2WPKH_V0
OP_0 2ea6dd67ac3882b72ae9c6f78e47490e3eaf2f12
P2PKH
OP_DUP OP_HASH160 e871e624182e7958ad5dbb9d8978960a8effb76b OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 33c3883bcf398fcc3c602bd2ea49e2f257bfe65e
P2WPKH_V0
OP_0 021af2e1171f2a8b137194c6032a85abf6b549a8
P2PKH
OP_DUP OP_HASH160 47421ff49aeedd2e01ff802d24dfe739d7ed682c OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 eb70d6779110fadb6b5da1be2f7e2687198d715d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 66c4c953dcc59a1d4ad95771a21cb7d81ddde453
P2PKH
OP_DUP OP_HASH160 21bf74a0e633198fe51e8699ebd4c437538b27b9 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 795898cf0770ceb08e33c96c261aa5f58b692ff9
P2WPKH_V0
OP_0 e936965846dc631ea647323303634ee05d0d0f19
P2WPKH_V0
OP_0 c05aad363f444e5dadb8d59b98dd3374705c96ef
P2SH
OP_HASH160 ff4816bb9322b5f4564fb21f00487a1fdcc4f104 OP_EQUAL
P2WPKH_V0
OP_0 62d64f5b630e426bf656c25c683d741881591a1b
P2PKH
OP_DUP OP_HASH160 551f1ee322cdb46c99c194f4426cfce4a20a072e OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 cb006bec8ff2a44a240f76b9d46e7dda8bd941d5
P2WPKH_V0
OP_0 2cdc307cd96e30b38d0af0194047b952ec5f3dd5
P2SH
OP_HASH160 29c51a4404eff9d4af05b0f46e3d1513b9386e66 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 387d76ac3ed6150e6d196e1556bb2a63a11a6239 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 87b92a97654308928c9657069026f13d935aaa65 OP_EQUAL
P2WPKH_V0
OP_0 d9c9e122675540b82d1926fbbdf02312f85a7cc0
P2PKH
OP_DUP OP_HASH160 ad6ed37f60b7acd57594de1a34e7fd8db373851d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 2072af8ccdbc636d87ca22310bf26d367a2a8bf1
P2WSH_V0
OP_0 49d9f4c6bc498878b2441fb7e50ed9455b578e4d03618b7e62433a2eabf58f5e
P2SH
OP_HASH160 7011cae6c7bf8873433029ac24850551fa185298 OP_EQUAL
P2WPKH_V0
OP_0 fe5fe1001e440b7bc2026c9ab154666fc042304e
P2WPKH_V0
OP_0 f6cf8b854c10f2eb4f3c2279f37922661aa361b6
P2PKH
OP_DUP OP_HASH160 e1dbcfa4a760ffa93802548ccda9d3258e03bf8f OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 da9ca9c0e2022e770114b1932b2f0764add929a9 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 c6d2c2e51df2aefeb74fea5f725180e376661967
P2PKH
OP_DUP OP_HASH160 2d1e11e2d262795400861e635e193b88692bd84d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 75a7fcb7661db141925993f62c4d0d9cc1722200
P2WPKH_V0
OP_0 1d00801a3cfb43dc0d0207f820f8df31b16c267d
P2WPKH_V0
OP_0 822b1ba6ac90c97427ff4fe62ab3b92957852b19
P2PKH
OP_DUP OP_HASH160 4f0362533a66e3223617fc86c30d480705391ed5 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 08a97ee15423cdbc79d0a390929d647386c3e8c5
P2WPKH_V0
OP_0 9d6030d48f3a74f914f22d141c55427c257e7fd4
P2PKH
OP_DUP OP_HASH160 931d202ddc7b8efab96d31ab7b660948b77a7f25 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 668919dbe5a35b2fe0f2637f9d8c632728f8cd31
P2WSH_V0
OP_0 8b36e2439f3d20d21c2867c6adf7248f920f8e39aa8491413f7c9b058834edaf
P2WPKH_V0
OP_0 9f3729c806521f28f42aebfdde6838ec640465d9
P2PKH
OP_DUP OP_HASH160 28769e4f81aa7ac7bf7124d9e9edaef628a69453 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 3b9f64fd21d2c7d7ad932347f21f5357d4925897
P2WPKH_V0
OP_0 886bdd50b0312fb8f621963096de5cde9fcda6ab
P2WPKH_V0
OP_0 dfebdb1d82ec2624c232a3c52ce8ab75d72e63ee
P2PKH
OP_DUP OP_HASH160 4cf7a487c907219e8e98e81f1bf07602f18e3e58 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 11d3c462e34faf7a917ef9ad5d2b74e4e908630c OP_EQUAL
P2PKH
OP_DUP OP_HASH160 74a6adf58bedc616371dea421a846f76fc14685c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 5e1a7b33c6b0c5f43a1dac8461e68829dcc7c1e8
P2WPKH_V0
OP_0 aad212cb0d9f4802f051b181db1c974aa697c032
P2SH
OP_HASH160 23501a50410fa842b7d0bff7a0eaccfc5750885d OP_EQUAL
P2WPKH_V0
OP_0 77441590b19720a30c36140da3cf2f0221165d0f
P2WPKH_V0
OP_0 25a2fdec76fb406527fea5fe8676d3b27a69639d
P2SH
OP_HASH160 bb4fe95e599b493f99137a7587e4684477ee6ed6 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 d982c37cfc47375c892324482afb029c60e0be6d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 cd268386270754955d1f21dfc0d7073d0a3ccf87
P2WPKH_V0
OP_0 406a39875fa1d59b55f273cad446600aa531f73e
P2PKH
OP_DUP OP_HASH160 3b257fcfc34453c0e531b1e39c5aab45cfda7e3b OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 9d251c01c09dc32da17a3424daa83f8ea5a64226
P2PKH
OP_DUP OP_HASH160 a6e99721dc9c9477665f0fcf5fdb87b8554ca495 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 0719e12ff4f6925b1429ee654c7ccd0723433e88
P2WPKH_V0
OP_0 4c5dc4ca9b1cee4bd62c88f90049e8fcc0382310
P2WPKH_V0
OP_0 9950e0b734e20b7e940ce37d9043ead374d81f71
P2PKH
OP_DUP OP_HASH160 559089b55962290e0f1c9e034d9fa84897c32208 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 5db3e6b40f640145972ff556b20de2337bd59574
P2WPKH_V0
OP_0 cac6a157dac6b2e325885ac164f7a67923e74c07
P2PKH
OP_DUP OP_HASH160 abb4fd46a35a81d475a179ec640d01dbea7386a9 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 25a9d7bae52ed51e1751958b9d40a562d7d55b18
P2WPKH_V0
OP_0 e6b69bf637d8d698fc820396cd397c4fd0625cc6
P2SH
OP_HASH160 92463067cbf7383787507d1511d44b940349ade9 OP_EQUAL
P2WPKH_V0
OP_0 01e102fe568337223d2e38668d500278a19e4118
P2SH
OP_HASH160 3c0a69573a0e6f930565721eeeb69c23cf8d4fd4 OP_EQUAL
P2SH
OP_HASH160 f73702522d7a7dad728007694fe86e4b77835686 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 3006e7952b2ffff0c1f0e302d806f881321bf03d OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 a98b1f4697ff3e5d53ca424bb4dbbc4711f36256 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 69d8880da5fbe1f55ebdc79b88cc89828210798f OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 054683ed3da1f5df85366491d7e058cc280b7c07
P2WSH_V0
OP_0 917c7bf2b1069335d58084d772b8d1521ff79f4f4fd45715966ce7ad684e4b0d
P2PKH
OP_DUP OP_HASH160 12689fac739bd6508fee2d2d52f1fa199d0bde22 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 18ccba0a9f70062123a470ee79c982e50077062a
P2PKH
OP_DUP OP_HASH160 dbbae409bb5dccc6e5b5b07b3a030acaab05f6e2 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 a4873ade01a33d9d05dce667e2df315a89d7a71d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 8258454b821a4676eace2536b8a233fefdbe0beb
P2PKH
OP_DUP OP_HASH160 8aa7c8f6fdb0f268b2c318aebe7171505ff18178 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 364ca8e476b9e8223322c42fd2b29006455e59e0 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 e3f0362d33a8844aeb7150adc1ca1bcad2349243 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 9b72d5ed1097cab39bf8cff7cbe10261bd8946cf OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 df370acbad9eac7d1bfaac76d0fb42a6725c46d8 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 51a165cb8a427647ecff3d299f908f0390c8a2ff
P2PKH
OP_DUP OP_HASH160 3d1ac0df167214e9278d7b39a584736c3b0f7c6c OP_EQUALVERIFY OP_CHECKSIG
WITNESS_V1_TAPROOT
OP_1 a6399df1cc7c451cd44c9278c256e6ddf20b28edcd87ed7ac1d7ec9630bdf09b
P2PKH
OP_DUP OP_HASH160 acab1dc7eb9675a93a311c440ae575a851b19839 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 844d44222a3ae79cdd166839a0c9876490d1f061 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 b6b72ece42d14df9888978e5963e0ff2f907ac85
P2WPKH_V0
OP_0 7e1bb86e495dc1fc98325454b744b25c4f47f3a8
P2SH
OP_HASH160 65ce33e36be39bcfcb4803c71cc7eb72b68af633 OP_EQUAL
P2WPKH_V0
OP_0 d4f373d1b24ef7f5b21ecd960f53a9e9386c1fc6
P2PKH
OP_DUP OP_HASH160 893c9c551bd3f4be6dd7ef74b7e7c08a681208a1 OP_EQUALVERIFY OP_CHECKSIG
P2WSH_V0
OP_0 a0da15268909913c4c6975777edf645f566a69ac8f8025c16b692e9b2f8942b0
P2PKH
OP_DUP OP_HASH160 6fccec840c93c00ba340fe7349bc2a2f4c82e7c9 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 1ec30291710444e1c6a2a36781104edd947573f5 OP_EQUAL
P2WPKH_V0
OP_0 2c9d88f2e492e538c450c2760001ba6c87588392
P2WPKH_V0
OP_0 72d3f8e744d1066e746f767ac7815dddccdda710
P2WPKH_V0
OP_0 fe852f2aa06d1ee8a4095ece01d6c38f8e242bb2
P2SH
OP_HASH160 f5f4ceeae8638bcfde2c6d8ac431124e82b62f88 OP_EQUAL
P2WPKH_V0
OP_0 0447112d9ad8369aaadc1715057bc3d9999b34b2
P2PKH
OP_DUP OP_HASH160 4b1a5f55a2bed92436f3096de2647e4fb2363549 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 b2d99f715f36370467fb70b15b89695ce7927c8e OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 b6e22b3a1018ef2faff2db4330c6dea9a5fa2258 OP_EQUAL
P2WPKH_V0
OP_0 2f06eea42886362a57d855b6f4283b98d2063d5e
P2PKH
OP_DUP OP_HASH160 74620cf5d2950e432cdc3946ea59ca7bbb9b628c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 905f8a921e2fb3259837b2c26483b0221186701f
P2SH
OP_HASH160 6dc9883f196929c67c75d010148be6a603b50803 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 fab71c87e09cda3a9b7b9588d6824dbe728bb78c OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 f4df4ac9d62212b2057ec4d2bb32aa7d477338dd OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 78fd84aa574a92f5a0a35f39feab77698a4b3cab
P2WPKH_V0
OP_0 918b3224d5bbe29df2ea35f56a62d4a4b81df936
P2WPKH_V0
OP_0 ad77d07b7c8b25a5721ff049022f12249384f298
P2SH
OP_HASH160 9c5c6915f7d9ae0e2c17db437d9a2a2fad4ba117 OP_EQUAL
P2SH
OP_HASH160 f2cabd609028c903bdf0f33992c14dc89f2feb7a OP_EQUAL
P2WPKH_V0
OP_0 4ab14248c019a6cdef16f968703de29f8066a2fd
P2PKH
OP_DUP OP_HASH160 48abddefb8b41abef90a8b9695a0d85bdf74e213 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 8cfb7b8e12878df3f8fa6d3927026e56896a1986
P2WPKH_V0
OP_0 4f0184bdd7fe2feb36a49e043ecae0dd661c77d9
P2WPKH_V0
OP_0 55fe28983e6f0d16bcc695839755d9d0107ca83c
P2WPKH_V0
OP_0 4fd3d59eebeae3a42ce7094c7815e98f7901a1fd
P2WPKH_V0
OP_0 7f5943bb27ecf87853f104e3ae225e33ec0eae38
P2WPKH_V0
OP_0 824627945d20b73404b8a473fe61c93ec4330615
P2WPKH_V0
OP_0 3b57b51560d9db3347279338fa48bce76123bf22
P2WPKH_V0
OP_0 cefee123c8474013f7e5f99b2ed7793d7c708612
P2PKH
OP_DUP OP_HASH160 f5cee4c84be179a438e1c3faa03317e7b75883ab OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 9f1420dc02493c279f069259b584e8ae2c38e518
P2WPKH_V0
OP_0 fb6389c79a9c56000293edc7f3fa991f0f528b79
P2WPKH_V0
OP_0 e484b4fcb4ca8864fcb503a15b446a605874dc7d
P2WPKH_V0
OP_0 8031419fa6fd066ff5f014b659f465968eff8686
P2WPKH_V0
OP_0 d91181b8477dcaa61f12db4b4dba1275d8a640a1
P2PKH
OP_DUP OP_HASH160 c3788ec84ebffb2c9d206e105dcfc480945634b1 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 635b483247cb64aead5f44721f8793add01d99df OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 0fcbb0868ddf38a8e128340f502dde7cec95364b
P2WPKH_V0
OP_0 0257260ac648f71759542a7ffc8d0bbcc3248626
P2SH
OP_HASH160 96b5d8895426525c97075977f3bacae14bfbd4de OP_EQUAL
P2PKH
OP_DUP OP_HASH160 403071a93237c19ac7cea93f4802a413f63e7e86 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 75a0aef2ecc4256a59a282782e5b5855bab70964 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 22c2f0ec10d9f67fe00c577f7dadb6e07ecc6c4d OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 63c9fa19991793e3d02249983a64e49fe5d15d71 OP_EQUAL
P2WPKH_V0
OP_0 5df3e171aa971c208de7f88983435e2a701aded9
P2PKH
OP_DUP OP_HASH160 6453a3648e9a8111cc2881dec37b87bdd2631066 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 f884b7be177166f6b26517fd45b03a47c98fa5e1
P2WPKH_V0
OP_0 fbfed050eefffb068b778c738233df2dd5b6aca6
P2WPKH_V0
OP_0 e7e0238b640e1474a9818129ed1055deb0d13e16
P2WPKH_V0
OP_0 c6ed6a3849fa19ae1a0940ffd3b55342c3b66c19
P2PKH
OP_DUP OP_HASH160 8f5d575b27fbca4139db2055dfcf904b6e41b29f OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 3daa27d8a3cd99a93dee68cfd2b18a2ef759db19 OP_EQUAL
P2WPKH_V0
OP_0 b2a9c5b64cb3856f445e0df1666aab2dba01f32c
P2WPKH_V0
OP_0 cda7422cedc09646649019742f780c918cd1e707
P2WPKH_V0
OP_0 c57a0633c07e34d4ff323e7c9bb00b16540b7f19
P2SH
OP_HASH160 54b5e6f9d7c6654a124d7b8b8e2c144ce6660fea OP_EQUAL
P2WPKH_V0
OP_0 8685665953b16decf658cc4d821d8797c2d36a6d
P2WPKH_V0
OP_0 034151897448eaccc7429aa52c13a209e2f4d39c
P2SH
OP_HASH160 da96532542370293a93909d044ba8e425963c3be OP_EQUAL
P2WPKH_V0
OP_0 816f9df58c71e13d7a12cda1840042eeb15fe327
P2SH
OP_HASH160 8f2e6eed10842d6ac4137efd43a082fe68197d0e OP_EQUAL
P2WPKH_V0
OP_0 dc19ccb417684848b3b36a7b817636bcdae398c7
P2WPKH_V0
OP_0 152988226a772983ee17a68d6755d2d112f168e2
P2WSH_V0
OP_0 c4256d226f99488bd881b7485a1702fcae1494cc0f6129352368cbd91f583930
P2WPKH_V0
OP_0 b67942be6eea0bfae03dd37990a5fe10b799bf62
P2WPKH_V0
OP_0 094b26f2aacb01690cfb1e0f5240084dea3ddf78
P2WPKH_V0
OP_0 10ee09fdb39dedecc668d9cf0577712d25924b27
P2PKH
OP_DUP OP_HASH160 0cfb8a007d3f5ce2b8bf179aaf61748a76d54a77 OP_EQUALVERIFY OP_CHECKSIG