難易度
高さ
ハッシュレート
排出量

  • 確認事項 306539
  • ブロックより 2850651
  • タイムスタンプ 2023-03-26 19:26:39 UTC
  • 出力合計 マル秘
  • 報酬 0.000172820000 XMR
  • サイズ 8641 B
  • リングサイズ 16
  • エクストラ 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
  • ロック解除 0
  •  秘密取引-金額は開示されていません。

この取引でMoneroを送ったことを相手に証明する。:



入力 (1)
 
金額
キーイメージ
0.000000000000
dbcd94fbef717f0f3f82d02c65721fc83e31277c4c699426074f8dbb723ecb79
 
ブロックより
公開鍵
 
2649326
15c17b8c13dfa7ec7f4ee532a0177c8ca69e5c3d7e1230ded0e9e4ea2db78d49
 
2781158
7229247df6b847c65827f6160b360a781ddaa99b7208349494e24c6f337c08a1
 
2821774
251f3a7ca66b49484fc8fb7d316fcb35ad2cad1bf517156a789f30a2d63abf5a
 
2846389
5817e4b7df4d579ad7efde0976acaa94f80750d33ceff974863a717b76fa4bf8
 
2847985
1a22ddc1af48329a440a06ad15fd62048ffc5ea9d5a1c1a3e5587aab0ceec2cc
 
2849319
66a0a1d784b744fcd843406aff369d3b0cf9cd595ddf60d353b7da8789e876f2
 
2849391
9a6e1d917494bdb1992c65827732ecae50d130dc116537ace6dd3b1d2960ab22
 
2849929
3165db170fd842cdd15f217827cd6be73a8920e15a4a416555c6f66a81814d75
 
2850182
5378bb69d3057528ff9aa296afcebc15bf032818ad7c3d77be9aa0be601747c3
 
2850301
d3a1886d23c31ca27d74b429418aa8ac370646d00d88ecd163bf3ff328443db8
 
2850324
7cedab2cd8825704d26535d1aa6c1e3686069519a287429ba6e2f163e9fda20b
 
2850379
6555d838290b5057410eea9f64d709e4f453f5065b947ee8b7ea7a0603828b9c
 
2850567
6552aa7ebb2c1f476a386e3d15b40999cbead11fcaf6d39e5dc8b9302bb2a912
 
2850568
d2255707e9ff243349e63ab7e566b5cf6d499312db98df1b3ec02315866c00bb
 
2850633
d6f97c1b7d32ea19e7764cb19b137edd0cd8937f99703504220bf58642a61a7e
出力端子 (2)
金額
公開鍵
0.000000000000
9221622de18c7f8e510480190448045ac5b8de2312c827400a9da088935c967b
0.000000000000
724fb9aa7db5fe387456f84690e257c233071c00a4b7efcae9b24214da203a5b