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
ad51f0c3e1f575ae96e435edd0ef29284ec58e74f7b3ecc4f5d73a6b74b02fbf
Summary
Height
Confirmations
647,922
Timestamp
2013-05-15 05:56:04
Size (rawtx)
6,744 Bytes
Virtual Size
6,744 Bytes
Weight
26,976
Status
Confirmed
Input
0.01050626 BTC
Output
0.01000626 BTC
Sigops
8
Fees
0.00050000 BTC
Fees Rate(BTC/kVB)
0.00007414 BTC
Other Explorers
Transaction
Input (45)0.01050626 BTC
Output (2)0.01000626 BTC
Input Scripts
P2PKH
473044022065a889fa28c6326739878beefa1ccd1bd973c53deb5d8a81c617b104d28da37e022041a09feb38a8d09bec7f073c9fabce055ab1110b817374df2375b8c8cf3be812012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
G0D e���(�2g9������s�=�]����ҍ�~ A���8�Л�<���Z� �st�#u���;�!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100d128ba72fc01dbd8a9e6cc91342c7a253122ff2c07d2a152509cac76a5a26975022100a7fb7d12b615cb2a9d104e0e42f05e7982d0fb501483c5f2b9000c0889abad9d012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!�(�r��ة�̑4,z%1"�,ҡRP��v��iu!��}��*�NB�^y���P��� ����!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100a7ffe4db037aea2f49239323642114ff96965661d8304c68b6cb1b68f55aaf9e022100d4d31ac3bfb42d37ad0dadc4d8624f00db64b1398755bc67dec47bd61ad9af53012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!����z�/I#�#d!���Va�0Lh��h�Z��!��ÿ�-7� ���bO�d�9�U�g��{�ٯS!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
48304502200b8e56845b6aaaf9704458da020f282a436443da29f3403858e546f8921e16d5022100decfa91073ee88fd5df696b0bb5d6fe488244acb735944c174f523e1b5a08c6e012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E �V�[j��pDX�(*CdC�)�@8X�F���!�ϩs��]����]o�$J�sYD�t�#ᵠ�n!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022100c712dbe8c570b35eeecdeb601de98ff413fed770948ed254cc98ea5d1069230a022055fccc48f3f1036dbddcc58bbb32e93aea7944c1d88e7e46ce11f6738ecb5385012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E!����p�^���`����p���T̘�]i#  U��H��m��ŋ�2�:�yD�؎~F��s��S�!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022100cdd7ae97af059e8bedabc4985e179322380678277316ebed9b023856c349dd8802206cf0305dc1e396723a77287fd5f22556815973b5b2582a7ed3bed134b06d3ed4012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E!�׮������Ę^�"8x's��8V�I݈ l�0]��r:w(��%V�Ys��X*~Ӿ�4�m>�!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
473044022056ab8ee1744a97677e50d6b7d6d2e4e7998eaafaf4276581b423f80d218eed8102204d8196a2e34d4600458163d744b08bb1f0668afe3048d3edcb359d8e80283012012102fbd0b15ff670ff759a723a4cdfbbafbbab4a8fd380571fb4a6b3a9900e6dfe62
G0D V���tJ�g~Pַ���癎���'e��#� !�� M����MFE�c�D����f��0H���5���(0!�б_�p�u�r:L߻���J�ӀW�����m�b
P2PKH
49304602210080a628d687a6947451ff7faf1d5f244d4b4667ce246c9925dbb1b8917915b631022100d0f92c0efb79f3469abc6602576cc2a7356ed7df7929c510ae13ae5f7c30af59012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!��(և��tQ��_$MKFg�$l�%۱��y�1!��,�y�F��fWl§5n��y)���_|0�Y!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
47304402204b2bb81c54dbbaba752859119e7c6424706a50022de86dda8284bdbd0b4fd888022065347d7f345d9e30c066030911ca35a8e709b64221386a32b144676870926a94012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
G0D K+�Tۺ�u(Y�|d$pjP-�mڂ��� O؈ e4}4]�0�f �5�� �B!8j2�Dghp�j�!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
49304602210087dc97b770155535295333f8a14de5ed74466d62709a573526d91df087e4158d0221008d97e28c543ccc20b42209d0c12707d148879dec046bee3869c3f415ceedc4cc012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!�ܗ�pU5)S3��M��tFmbp�W5&�����!���T<� �" ��'�H���k�8i������!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100beeff26ea562c1dbff9a07473adbd894e9f5a52cd1a07d50c4ecee992ad1dd02022100afcea424bf3d7067c14dc5b66e5d79459851b6107ec4a4f99d4a028706eae502012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!���n�b����G:�ؔ���,Ѡ}P���*��!�Τ$�=pg�MŶn]yE�Q�~Ĥ��J���!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022053ec91ee54f02dec622c2d0deda7e8f4d32b5bf455b9510b23b16cd86412fb3b02210099ec3d54168118fee414d7af228fc9277afd05067f625a3d1d8eed7d117a8796012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E S��T�-�b,- �����+[�U�Q #�l�d�;!��=T���ׯ"��'z�bZ=��}z��!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
4930460221008fe0b5691b1e01b82079595eb0a9828d5134150bd0d136578071dc707c25a082022100f4e1d2e4ad0e90584e97db48ab06742ff2a269f8aed57d839d7379ec74c9081f012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!��i� yY^����Q4 ��6W�q�p|%��!�����XN��H�t/�i���}��sy�t�!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
473044022047fbec7f208cf374bc30340565c118c61e58ff5701dccf5eed4f4737aaafafe1022029c5cdb12f142247fccbd60636b52f875a46ce8e7eb9f0401767a1b14dbcd33b012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
G0D G�� ��t�04e��X�W��^�OG7���� )�ͱ/"G���6�/�ZFΎ~��@g��M��;!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022100e9a3c9d218e63ddbc498e18a41ad86babecaee91b8f1c88d4ac5b54058888dc3022008352649607cd19507209cbbcb8416cd176600043d5a075e7f4f8c4d0e71aaf3012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E!����=�Ę�A������ȍJŵ@X��� 5&I`|ѕ ��˄�f=Z^O�Mq��!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100f799b99242d4ec559872f1876fa2e50aa4408df353605c58e8f38f9fa621f89b0221008d9629c0a3a66acee154ce2356e48b5dfd5c0c569502ff680df15b78bac6d74e012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!����B��U�r�o�� �@��S`\X�󏟦!��!��)���j��T�#V�]�\ V��h �[x���N!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100e39d2f09d85b7c45ee1072ab5dea962fe35c0aaa14961949ac52b28802ef6a14022100998699ce297eee98dce4e387826fd9e9c0fb6438649bad9df4bb53df8343a99b012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!�/ �[|E�r�]�/�\ ��I�R���j!����)~���㇂o����d8d�����S߃C��!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100d87054cf0428ae9f380e60b23bbf94dbd225ca2877faa4daae85ff273663a079022100ebbe7f2b04d82dcde1e24361bbd16ed7a63340182e533afeb920fbb25110a328012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!�pT�(��8`�;����%�(w��ڮ��'6c�y!�+�-���Ca��nצ3@.S:�� ��Q�(!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022100eb34c654bff598574a2f287aaceccc866245ed9bc42e937b354c56eefe5249b502201e3d778c3b14fcbf376529d72be164afdf753de29b59d8fb706a66162ea3790f012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E!�4�T���WJ/(z��̆bE��.�{5LV��RI� =w�;��7e)�+�d��u=�Y��pjf.�y!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
4730440220353ccd0d4181faadfc16618f65ff4b98aae6cd661d2fdfe6f4c37b7efcacb724022072a2b538669c2b0b30cea984f4ab1e457e165af068f9ef7256e6409423010b53012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
G0D 5<� A����a�e�K����f/����{~���$ r��8f�+ 0Ω���E~Z�h��rV�@�# S!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
47304402201b0eb28cef4f8b8f37ab754769f646605507ae2fbbef6cfdf50ced37880eb45c02200980ea185a599b20aff70cb2f89a4c86cf0832db46d173fb6404507acc9a1caa012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
G0D ���O��7�uGi�F`U�/��l�� �7��\ ��ZY� �� ���L��2�F�s�dPz̚�!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100b38720714a6b1b0cd0e80e01b436b231df86b0ec5d481172a3ffea580c07075e022100d8849682b77474d419f104c25d5f1102ec2fc329481dcdd67bbd810974988609012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!�� qJk ���6�1߆��]Hr���X ^!؄���tt���]_�/�)H��{�� t�� !���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100ae1ed85e84254bbe14174ef13024af6b4a4859c2af37c5d0e0c8af1c4bf0ed41022100bb898b0b13488abbd9ed3a2ce31f039261c88030f2fcfccbbe622a3e3c691535012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!��^�%K�N�0$�kJHY¯7���ȯK��A!��� H����:,��aȀ0���˾b*><i5!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022001176e5e0ceb2aa3362cb2008463988930474b85073a8a11a887c44a477b871a022100f0f9013ec73d94e6193cd900130af11587cb9a0e0a95a7f130b12e9f02d17e08012102fbd0b15ff670ff759a723a4cdfbbafbbab4a8fd380571fb4a6b3a9900e6dfe62
H0E n^ �*�6,��c��0GK�:����JG{�!��>�=��<� ��˚ ���0�.��~!�б_�p�u�r:L߻���J�ӀW�����m�b
P2PKH
483045022100bab87c738a0a66207c046218c0e290bb86ca91dee8e324851b44590e417e3b8402200793bf416c14316dc9532242fcff90c65f6bff98f9b6c65fe3a0ba2a3b722c59012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E!��|s� f |b�␻�ʑ���$�DYA~;� ��Al1m�S"B����_k�����_㠺*;r,Y!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
47304402202bdeb74bdfc25f924fe1fe89a3d0aa0f3f2e4d32c86799d6e56b9a1d57f9f67302207bf75293801e65aa17fa3086bb5bcdb4f21d1287cff5d5580f1a5f3ebca02118012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
G0D +޷K��_�O����Ъ?.M2�g���k�W��s {�R��e��0��[ʹ�����X_>��!!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022009af28231e9b854d446b696e8524a851892a395ee4399ac281d805778b2564190221009e7f93c921c3f084e7b5b3d6efb83767c11c210564948f61ba7be4b867c70abd012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E �(#��MDkin�$�Q�*9^�9��w�%d!���!���絳��7g�!d��a�{�g� �!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022100bc00fa1fdfe335537c7705315b4fd6d9996c7f795ad290f62ba9b75ec64d1837022068bc6d81db14e08f490655be330c265727ceff29ab24b5f27f87d6a539e637b7012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E!����5S|w1[O�ٙlyZҐ�+��^�M7 h�m����IU�3 &W'��)�$���֥9�7�!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
47304402200776d75d599259dca296f38c1988d9f4c24d9cdc72b6188c9de15463a121e97f02205cee76905c2374d63ea56804a075fd135c825ba9ae18a34f653dd2daac83a650012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
G0D v�]Y�Yܢ������M��r����Tc�!� \�v�\#t�>�h�u�\�[���Oe=�ڬ��P!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100d452c03b93ed4c99c19ed26386fe709c65a93b84ea6e3d7359f4f938b78b2520022100e65e9cc43bac5860b0a7b8989bf6d70148d20706973d889b6c8527b67e14e205012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!�R�;��L����c��p�e�;��n=sY��8��% !�^��;�X`�������H��=��l�'�~�!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
49304602210088ce701270c2fe8ea902776c787b0bfd883589251b81c2ed22d2f301bdd174fa022100aec12f723fc5a4e976406e1d1f16290fcdc7bb65d97a14c6a55b518a1e7741b9012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!��pp����wlx{ ��5�%���"����t�!��/r?Ť�v@n)�ǻe�zƥ[Q�wA�!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022100dd1d212df35c4e54f284ae9dc1e5fb4f40795d45e191acba21d7a0d22d8d87c702204fca09c8b96996d8c59e056408874b46b592f3d507984a66e01bb24fd6a169c4012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E!�!-�\NT򄮝���O@y]Eᑬ�!נ�-��� O� ȹi��Şd�KF�����Jf��O֡i�!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
4730440220091c9cbac1c6eac9239d8398e1d0ae8fda5adeaddd1af169930bda09dfba26f2022020e2d5fb21e285b927493e7dfb4049f499fc37cefe4a1f6494c5735f87170877012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
G0D ������#����Ю��Zޭ��i� � ߺ&� ���!ⅹ'I>}�@I���7��Jd��s_�w!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
4830450220661721a07acc2ce06755752394dd9c7c4cf3a4eb3a1ae5840198e5e4883455fd0221008180b39d429063e7fe933c9724a62e9d9a90ac012b9b020b9bacb1cba0007527012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E f!�z�,�gUu#�ݜ|L��:����4U�!����B�c���<�$�.����+� ���ˠu'!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022056eb258e62a55a1a4ebc40651f2e0a5298f2b097ce9aa4a0f00ed190aaa7aa41022100873bb2a3014b0431522e0619cb95052f7afd9aeec10f769eab15b5290f4ad52c012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E V�%�b�ZN�@e. R��Κ���ѐ���A!�;��K1R.˕/z����v���)J�,!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022100a472daef983bf2507f846addd60dd81de42992d35325b380ca433eb9806882ea022068d60d6bd3f7110fc2f91ac380d6e148fd92f70cfef4937b6be2936f01676b7e012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E!�r��;�P�j�� ��)��S%���C>��h�� h� k����À��H��� ���{k�ogk~!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100faec6512a5241a5eed5eefccd702340a0092ceec3e9d1d9c924ef7201f678f37022100b55d740864d3ce7b50831812a461e0fbcdc2e26342d7ef8bbfd311ae796d30bb012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!��e�$^�^���4 ���>���N� g�7!�]td��{P��a�����cB���ym0�!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022043552df3a63b6af3e88645ee05c6eb7b1e157e42116b9ee037762e7e3415b1e5022100cdb7cc30e556c1a600bb62e841d8bec0d30228304b54d88ceaec374644493638012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E CU-�;j��E���{~Bk��7v.~4��!ͷ�0�V���b�Aؾ��(0KT،��7FDI68!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
47304402203da8f664e2f951ce97428efcc0d1c560d0d75fee4b1eb8e129533c24eb6b60a3022010a249116c182b6d89faede0c5f54f7c3a26f99123964976c2fa1ad97ba00f36012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
G0D =��d��QΗB�����`��_�K��)S<$�k`� �Il+m������O|:&��#�Iv���{�6!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
48304502201155e4768373ed514f63aacaccf7abf96dc5a1b7ffe1ceeeb29e04f2b1d66c930221009d93eb05c2ba5d64d0fc851dd5438c8d4a52670ccd0ed695cb6a3309ae1d109f012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E U�v�s�QOc������mš������l�!���º]d����C��JRg �֕�j3 ��!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
48304502210098183bd96a5fb5a37b7ac353e173561cf885e165717d6a007ddff3327efa91e50220133526917a76fbb9a7dc6c8b2b442386d4e453d7ac3bbc6154d31910abb57f1d012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E!�;�j_��{z�S�sV���eq}j}��2~��� 5&�zv����l�+D#���S׬;�aT���!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022100b06d6189362fb56ff67006672a9733d3b35c5459e9b6d0029d7c7ed64fc0458202203c8ec41112ed2b565af4f8eb015c3f2c6ae2d21054c0f2880eba5f45e36aac34012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E!�ma�6/�o�pg*�3ӳ\TY���|~�O�E� <���+VZ���\?,j��T���_E�j�4!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100e4d02c79698e1565524432a2b73bdc21942fd6e0f8007e7e7a3cc96a8613a7e5022100b5845fb28b2b7ade9021b926cad943314a32d8fa8014babb4356dac539a515f0012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!��,yi�eRD2��;�!�/���~~z<�j���!��_��+zސ!�&��C1J2�����CV��9��!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
483045022059c59518458e67ab4bf0ee89507a9e8f9a1d03593404ff1b666e22f8961c5e50022100d6a6b864672ec78a7013d6e861133d48f8a2dbff9b6184e099a1ee8573f9fe7a012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
H0E YŕE�g�K��Pz���Y4�fn"��^P!֦�dg.NJp��a=H�����a�����s��z!���ʏE]+�ÞA1�n{�� �˨�v���
P2PKH
493046022100e645b61dcd76faa626c84491538a318610ea6677efb31b613711076d35060c65022100832cecfebbf4fbba05eb207a28600b4cde97e0137c793b61683c79e9629be13e012103a7b4b5ca8f455d2bca1a16c39e413192116e7bb683201db0cba88f76c9f48af8
I0F!�E��v��&�D�S�1��fw�a7m5 e!�,������� z(` Lޗ�|y;ah<y�b��>!���ʏE]+�ÞA1�n{�� �˨�v���
Output Scripts
P2PKH
OP_DUP OP_HASH160 06f1b678f6fbb0d443f8115a0b019e08953810b8 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 b819826e28319b9907960746fa199e4ce1af73a7 OP_EQUALVERIFY OP_CHECKSIG