Arqma Blockchain Explorer

(No Javascript | No Cookies | No Web Analytics Trackers | No Images | Open Sourced)

Server Time: 2026-09-05 21:39:21 | Transaction Pool | Autorefresh is OFF | Go to stagenet explorer | Go to mainnet explorer

Network difficulty: 95700160 | Hard fork: v19 | Hash rate: 797.501 kH/s | Staking Requirement: 100000.000000000 ARQ | Fee: 0.000000050/byte + 0.000090000/output | Median block size limit: 1024.00 kB | Data From 00:00:23 [h:m:s] ago

TX Types Legend: Registration: 🏁 | Contribution: ⚑ | Recommission: 👍 | Decommission: 👎 | Deregister: 🚫 | IP Change Penalty: 📋 | Stake Unlock: 🔓

Arqma emission (fees) is 40210732.239012659 (1053.909878109) as of 2019002 block

Transaction Pool

(No Of TXs: 0, Size: 0.0000 kB, Updated every 5 seconds)

Age [HH:MM:SS] Type Transaction Hash Fee/Per kB In/Out TX Size [kB]

Transactions In Older Blocks

(Median size of 100 blocks: 1024.00 kB)

Height Age [y:d:h:m:s] Size [kB] Type Transaction Hash Fee Outputs In/Out TX Size [kB]
1619622 01:253:04:38:13 7.4082 352b99a75bb3e8fac59cbf0f9066aee767bdf2a4c5bbabc8de76d5d7bc79734b N/A 10.626303007 0/1 0.0996
a86c3a891665a4704f4cab2bf9ca982c95bf15abb6af1480cd66f57c9c711007 0.000005550 ? 1/2 1.8242
7174789d3fe29d12407344f5b38a7422d66beb7950d5564e4e4cb3cfbadeea53 0.000005550 ? 1/2 1.8242
e290027deda8299c6f509389e79968462e051c9678a9057e25a9136f46f26fff 0.000005580 ? 1/2 1.8350
c444d85777156b7022ed562655be9a153b9e43ac50ab542b999102f36361d9a5 0.000005550 ? 1/2 1.8252
1619621 01:253:04:42:26 0.0996 1b0aa05834cd825432da97b1ab04fb51a3f3b80654791907b4d53a8eb15538e7 N/A 10.626285844 0/1 0.0996
1619620 01:253:04:43:54 0.0996 5274785aa987429c9e7acf28412df12cf907cf508d5037c9381d7bff03d2338f N/A 10.626290911 0/1 0.0996
1619619 01:253:04:45:22 0.0996 d8260f3ca20459b2f50e3e5fa8d617b9e43f2f63bd36549b6885f2df795a6a4b N/A 10.626295978 0/1 0.0996
1619618 01:253:04:47:39 11.8340 e24f24dfb64f267851cc0b0115daffd95d808c031ea4bacc2aea799e64b999f1 N/A 10.626313055 0/1 0.0996
fe800abb31fc17240527c7ff6d17fd1e95c760755efab37b29300f3b12090a96 0.000009320 ? 10/2 9.0889
5bee83fe3d5d840836be8909356c2f10b032cfcc020db2c0c5261dbb15fd8540 0.000002690 ? 2/2 2.6455
1619617 01:253:04:52:36 0.0996 d74fb50898f38dacfde7b63cb71166bf57ffa9ff0ee2a26cdfd2e5e63bc7d601 N/A 10.626306112 0/1 0.0996
1619616 01:253:04:52:48 0.0996 306f40c916c12f0713348c844fe6ae00bb7445e3d634e0dd99e2312f71c7acc4 N/A 10.626311179 0/1 0.0996
1619615 01:253:04:56:14 8.2188 762ec68cbc713694985cd254fc98f4af501560724be5f22563e91553f6314900 N/A 10.626340966 0/1 0.0996
d348ca55f78a426e0823ca8384b5a06cfff748ab939e31f028ddd8b5eb68b32d 0.000008040 ? 2/2 2.6357
df05e8e8e60ae1bd290349c9c2ee6e880686e247db588541ca061e00ebe9d0e0 0.000005580 ? 1/2 1.8311
ef985e74a072a1d5fcf79bd761a72a794998e220d596a9e9e3751a75f9c971dd 0.000005550 ? 1/2 1.8252
c3e8cd52d7890de29f55048bb8cb6147e87d5565553edbef50c8cf6947539d88 0.000005550 ? 1/2 1.8271
1619614 01:253:05:02:51 0.0996 2a215d3b5c2b3c02455f9ddf0024bbcafbfb2b4fe0284ba13dd4e4be38126be4 N/A 10.626321313 0/1 0.0996
1619613 01:253:05:02:53 0.0996 e4bd26e0cdc8709c53a871a4e5ecf141d29c9ce2795e6041924193233469599b N/A 10.626326380 0/1 0.0996
1619612 01:253:05:03:02 0.0996 ef89024607545fdfc68a98d44fb33a3f49ff1a0ba21d45b657e242912530bc76 N/A 10.626331447 0/1 0.0996
1619611 01:253:05:04:27 0.0996 9f24d11b832055401661e5ac69c1624d92f9c9a61446a3686f4dee963feb3bb8 N/A 10.626336514 0/1 0.0996
1619610 01:253:05:06:20 0.0996 36fd90c1e14671cd4f6221defc9baf77dc58e7434221e9a7fb38c2100cca2b81 N/A 10.626341581 0/1 0.0996
1619609 01:253:05:07:04 0.0996 899949dd0a6022741198fb0ecf26cf8ed9d596562c13071310442533d283ebf1 N/A 10.626346648 0/1 0.0996
1619608 01:253:05:07:37 0.0996 b065fe73bcbebf7d9c99de91cadea3f0efd6b98daf1893921433fe5b268d4d61 N/A 10.626351715 0/1 0.0996
1619607 01:253:05:08:20 0.0996 8750af8768902dda03a253ac5ea4757b99382bb0bfe68418cd5ff2525c44dbcf N/A 10.626356782 0/1 0.0996
1619606 01:253:05:09:38 0.0996 5fdb496600fee4314de9bb707432fb4dd4ef77b393a849b5e050ae4c88fd800d N/A 10.626361850 0/1 0.0996
1619605 01:253:05:10:42 0.0996 8d49f0dbf607c14e2959c1f93f06e1fa22c41723dac29626ea14d44b3fa15064 N/A 10.626366917 0/1 0.0996
1619604 01:253:05:11:21 36.4756 6e9ddd9e40072dd48dfcac44f83812563253b3be98ded1c6ba359e7931fd46e4 N/A 10.626412964 0/1 0.0996
903550bfd3f8378f3a1ca65d71e602bb64cafe8ced7dbe8e344387fc590bbd7c 0.000005550 ? 1/2 1.8252
3bbddd73b3ceca8253ae44e179a49da25270d3ae534f96e387df41bf6bb0a88e 0.000028390 ? 33/2 27.6455
cb9362cb7b4b4558d00ee2d5442f259598ce3083554761cf5539e96b10d7f964 0.000004350 ? 4/2 4.2627
9d4a66b954589d6a91c8107c0ba69248af6e7acddcfa1f35b1ef2eb7f444eb38 0.000002690 ? 2/2 2.6426
1619603 01:253:05:22:53 0.0996 7f7cd3b46949dad2a07752fcd3e4d714567506fc06025869f8fbe0be9f03d1ff N/A 10.626377051 0/1 0.0996
Prev
Current Page: 19969/100950
Next

Service Nodes

0 service nodes awaiting contributions, 2 decommissioned service nodes, and 47 active service nodes.

Service Nodes Awaiting Contributions (0)

Public Key Contributors Operator Fee (%) Contributed Open For Contribution Min. Contribution Expiry Date UTC (Estimated)

Inactive/Decommissioned Service Nodes (2)

(These service nodes are currently decommissioned for failing network obligations, are not earning rewards, and face deregistration soon)

Public Key Contributors Operator Fee (%) Decommission Height Last Uptime Proof Blocks until Dereg.
5a67c6e399571ec4665cc61cc19a5e84eeab60cf51c4f75fac5eea24a33d87e0 2/12 60 2001666 07:23:01:14 None (deregistration imminent!)
cf8f65a97c31057a45dec63b065e23d0763c1ea88c7282fafd738e3e090ef01b 2/12 70 2001666 06:23:13:53 None (deregistration imminent!)

Active Service Nodes (47)

Public Key Contributors Operator Fee (%) Staking Requirement Last Reward Height Last Uptimr Proof Expiry Date UTC (Estimated)
d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d 4/12 50 100000.000000000 2018956 00:47:57 Staking Infinitely
53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016 1/12 100000.000000000 2018957 00:54:18 Staking Infinitely
2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a 1/12 100000.000000000 2018958 00:06:44 Staking Infinitely
ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510 1/12 100000.000000000 2018959 00:58:53 Staking Infinitely
0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb 1/12 100000.000000000 2018960 01:15:44:35 Staking Infinitely
139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2 1/12 100000.000000000 2018961 00:13:37 Staking Infinitely
3cb0bba8f15c0902db46604f9fb6badeb0f611a645e4b29fb899342107c1f8c7 2/12 44 100000.000000000 2018962 03:59:25 Staking Infinitely
4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21 1/12 100000.000000000 2018963 02:03:04 Staking Infinitely
5d21979e8b9332bfc583b3855b5e1b047080dce4609a21454595892ca797f514 1/12 100000.000000000 2018964 00:46:02 Staking Infinitely
81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9 1/12 100000.000000000 2018965 00:17:58 Staking Infinitely
+ 37 more ↪

click here to see the full service node lists (at most only 10 of each list are shown here)

Uptime quorum for height 2019000)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: 848ad910440f790d4a687cad83b333f99dec1fb47bae617c7a02db65b2f1c244 19:37:48 Staking Infinitely (N/A)
1: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4 00:18:16 Staking Infinitely (N/A)
2: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185 00:05:34 Staking Infinitely (N/A)
3: 33ef2ff577821dfc3e8ba0b6a7b62759f092c53d798cc1a9c5ba85f59f549efc 00:57:44 Staking Infinitely (N/A)
4: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 05:37:23 Staking Infinitely (N/A)
5: 94b370885630009cbe68165b641e51343bcb90aba151434230424f6e3ec4a6d2 16:57:17 Staking Infinitely (N/A)
6: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0 00:17:41 Staking Infinitely (N/A)
7: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf 00:03:04 Staking Infinitely (N/A)
8: c98ab9fca45aec5e9c8ea6f7dd0660b3567e3691d3cfbc4e4b035e737706160b 00:39:53 Staking Infinitely (N/A)
9: 81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9 00:17:58 Staking Infinitely (N/A)
Nodes to test (39):
0: 781efae048bb90829a0c7ce9f4c9c34e572d236955e91f4b3c86a85effa632d5 02:26:55 Staking Infinitely (N/A)
1: 53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016 00:54:18 Staking Infinitely (N/A)
2: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a 00:50:53 Staking Infinitely (N/A)
3: 45f9349a3ceee3a75d6142204286d37dacf81c1f9ec01a65e7b716269726635d 00:49:22 Staking Infinitely (N/A)
4: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973 02:58:44 Staking Infinitely (N/A)
5: 3cb0bba8f15c0902db46604f9fb6badeb0f611a645e4b29fb899342107c1f8c7 03:59:25 Staking Infinitely (N/A)
6: 2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a 00:06:44 Staking Infinitely (N/A)
7: c9839bdce086483c6fae8ede8600e4410c5dcd2a431148689480ddfd4c6c9363 05:45:26 Staking Infinitely (N/A)
8: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641 03:27:19 Staking Infinitely (N/A)
9: f0e1913158cd650f98270490ded011fc138bb0a18bce9dcb796276b58f32340a 00:59:59 Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2018999)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: 781efae048bb90829a0c7ce9f4c9c34e572d236955e91f4b3c86a85effa632d5 02:26:55 Staking Infinitely (N/A)
1: 050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82 00:07:02 Staking Infinitely (N/A)
2: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f 02:06:48 Staking Infinitely (N/A)
3: 4a9a479460d135c51723254462919ff51e4b692f2bc4aedafb26316494f45a64 00:05:29 Staking Infinitely (N/A)
4: c9839bdce086483c6fae8ede8600e4410c5dcd2a431148689480ddfd4c6c9363 05:45:26 Staking Infinitely (N/A)
5: 28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268 00:59:59 Staking Infinitely (N/A)
6: b42fb5a319f9ef592ada30e483b64431d05386ba5692727d0e64a15802be3ef5 01:01:30 Staking Infinitely (N/A)
7: aa78babccc4e6e29d3becac648489e6da5c375ae22566dd9cc65880210d81539 00:48:02 Staking Infinitely (N/A)
8: 80a869c7963e4c92ccd1032749e29b33e7e943f4e70cbe8d9a3110115a0a53e3 00:37:11 Staking Infinitely (N/A)
9: c98ab9fca45aec5e9c8ea6f7dd0660b3567e3691d3cfbc4e4b035e737706160b 00:39:53 Staking Infinitely (N/A)
Nodes to test (39):
0: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65 01:01:07 Staking Infinitely (N/A)
1: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54 03:11:24 Staking Infinitely (N/A)
2: 30f9c742e16707fb9b0c9c2078ed750595e297e4a0f75b972794766e25447cfc 00:57:15 Staking Infinitely (N/A)
3: 5d21979e8b9332bfc583b3855b5e1b047080dce4609a21454595892ca797f514 00:46:02 Staking Infinitely (N/A)
4: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a 00:50:53 Staking Infinitely (N/A)
5: 848ad910440f790d4a687cad83b333f99dec1fb47bae617c7a02db65b2f1c244 19:37:48 Staking Infinitely (N/A)
6: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 05:37:23 Staking Infinitely (N/A)
7: 94b370885630009cbe68165b641e51343bcb90aba151434230424f6e3ec4a6d2 16:57:17 Staking Infinitely (N/A)
8: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0 00:17:41 Staking Infinitely (N/A)
9: 5a67c6e399571ec4665cc61cc19a5e84eeab60cf51c4f75fac5eea24a33d87e0 07:23:01:14 Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2018998)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: 781efae048bb90829a0c7ce9f4c9c34e572d236955e91f4b3c86a85effa632d5 02:26:55 Staking Infinitely (N/A)
1: ab1264fe8acaba585069c1fb0afe0804a97bc00ef269c17231b7994024851111 00:44:52 Staking Infinitely (N/A)
2: f9e9aa7608c8c134ff9c14ef92488c122b947fd27d8cfe31d6745546c462665b 00:05:58 Staking Infinitely (N/A)
3: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 05:37:23 Staking Infinitely (N/A)
4: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54 03:11:24 Staking Infinitely (N/A)
5: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4 00:18:16 Staking Infinitely (N/A)
6: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0 00:17:41 Staking Infinitely (N/A)
7: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641 03:27:19 Staking Infinitely (N/A)
8: d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d 00:47:57 Staking Infinitely (N/A)
9: c6c5fce08eef76dca701248665f0586f83da2243ba13781899abc525b3572063 02:06:39 Staking Infinitely (N/A)
Nodes to test (39):
0: 2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a 00:06:44 Staking Infinitely (N/A)
1: 53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016 00:54:18 Staking Infinitely (N/A)
2: 848ad910440f790d4a687cad83b333f99dec1fb47bae617c7a02db65b2f1c244 19:37:48 Staking Infinitely (N/A)
3: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185 00:05:34 Staking Infinitely (N/A)
4: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510 00:58:53 Staking Infinitely (N/A)
5: 28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268 00:59:59 Staking Infinitely (N/A)
6: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f 02:06:48 Staking Infinitely (N/A)
7: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65 01:01:07 Staking Infinitely (N/A)
8: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36 00:42:23 Staking Infinitely (N/A)
9: 5a67c6e399571ec4665cc61cc19a5e84eeab60cf51c4f75fac5eea24a33d87e0 07:23:01:14 Staking Infinitely (N/A)
+ 29 more ↪

Checkpoint quorum for height 2019000 (determined by block 2018989)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
0: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21 02:03:04 Staking Infinitely (N/A)
1: b42fb5a319f9ef592ada30e483b64431d05386ba5692727d0e64a15802be3ef5 01:01:30 Staking Infinitely (N/A)
2: 53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016 00:54:18 Staking Infinitely (N/A)
3: c99d98eadc123984ca4f9042e6e2e3460e43467a7136f61f7f0960ef92fec01e 00:55:03 Staking Infinitely (N/A)
4: 139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2 00:13:37 Staking Infinitely (N/A)
5: 0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb 01:15:44:35 Staking Infinitely (N/A)
6: 94b370885630009cbe68165b641e51343bcb90aba151434230424f6e3ec4a6d2 16:57:17 Staking Infinitely (N/A)
7: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973 02:58:44 Staking Infinitely (N/A)
8: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 05:37:23 Staking Infinitely (N/A)
9: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4 00:18:16 Staking Infinitely (N/A)
10: 64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab 00:15:12 Staking Infinitely (N/A)
11: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641 03:27:19 Staking Infinitely (N/A)
12: c98ab9fca45aec5e9c8ea6f7dd0660b3567e3691d3cfbc4e4b035e737706160b 00:39:53 Staking Infinitely (N/A)
13: 050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82 00:07:02 Staking Infinitely (N/A)
14: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0 00:17:41 Staking Infinitely (N/A)
15: 4a9a479460d135c51723254462919ff51e4b692f2bc4aedafb26316494f45a64 00:05:29 Staking Infinitely (N/A)
16: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f 02:06:48 Staking Infinitely (N/A)
17: f0e1913158cd650f98270490ded011fc138bb0a18bce9dcb796276b58f32340a 00:59:59 Staking Infinitely (N/A)
18: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54 03:11:24 Staking Infinitely (N/A)
19: c6c5fce08eef76dca701248665f0586f83da2243ba13781899abc525b3572063 02:06:39 Staking Infinitely (N/A)

Note: The quorum shown here is the currently active voting height which is not necessarily the latest quorum. Quorums can only be voted on after a number of blocks have transpired.

Click here to see the last 1hrs worth of the stored quorum states

Last 5 checkpoints

Height Block hash Checkpoint Quorum
2019000 2e7bb421c0823ac32e2225adf467de7ed221f73997d2befd8131b4de0e5eb7ef 2019000; 7/20 signatures: x x x x x x x x x x x x x
2018996 7639793bbdfbd8378f9728972e02dbcc427c12fb7edb9dada804d8a17ec05b19 2018996; 9/20 signatures: x x x x x x x x x x x
2018940 890f8ebcc22ff4584c343a71be6c91c56ac629d7cdbb329deea988642936ef71 2018940; 11/20 signatures: x x x x x x x x x
2018880 ac28cd543c20b1be180ddb350eb6df2ef97ab9f81102718c0979dc5843851e8a 2018880; 9/20 signatures: x x x x x x x x x x x
2018820 116c31e8bafa040fa07a17bb7dfd1c8b21f049ea6631a797f092d8604d81e0ee 2018820; 8/20 signatures: x x x x x x x x x x x x

Check here to see the last 50 checkpoints

No javascript / No web analytics trackers / No cookies / No external resources / Open Sourced
Explorer Version (api): patches-2025-08-25-05fdb31 (8.0) Arqma Version: 10.0.0-4b067e8c_Release
Latest source code
Forked from: onion-monero-blockchain-explorer
Copyright (C), 2019-2025 arqma.com