Arqma Blockchain Explorer

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

Server Time: 2026-09-05 12:51:27 | Transaction Pool | Autorefresh is OFF | Go to stagenet explorer | Go to mainnet explorer

Network difficulty: 118000180 | Hard fork: v19 | Hash rate: 983.334 kH/s | Staking Requirement: 100000.000000000 ARQ | Fee: 0.000000050/byte + 0.000090000/output | Median block size limit: 1024.00 kB | Data From 00:00:59 [h:m:s] ago

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

Arqma emission (fees) is 40203917.239012659 (1053.885407309) as of 2018767 block

Transaction Pool

(No Of TXs: 1, Size: 1.4170 kB, Updated every 5 seconds)

Age [HH:MM:SS] Type Transaction Hash Fee/Per kB In/Out TX Size [kB]
00:01:25 2045d64e6d35eadc727430946a5d8e5f3cc4638db8c0a473df6a9ce38d7f63ca 0.0003/0.0002 1/2 1.42

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]
1587327 01:299:20:22:50 0.0996 a504e46a692b435c7cd57c9998d04d6f8b550225a782b5e262043f3ff84aa3fb N/A 10.791186228 0/1 0.0996
1587326 01:299:20:23:14 0.0996 5cd5e3d48dcc416026e09e42b83c129223b5b5da1bf89b5d2cc0956ed4199098 N/A 10.791191374 0/1 0.0996
1587325 01:299:20:24:56 19.9609 22de26dafb2821ed8fc8fd67a734a6c53a5f056c4a012986ff2d400047d3ce06 N/A 10.791238630 0/1 0.0996
38c528b0eac4b2991f3ca8a666b71334f142a1ceed9c7bee1e03e8280769bb78 0.000008040 ? 2/2 2.6338
cba5596ddfc4d0ce78cf4657d68dc7fc5a812a19d0baae3433055208eaab24e9 0.000008040 ? 2/2 2.6357
8c9fb3d034949fd99d0b14b2c8931a097ef8371a275db80646f88d6923c04468 0.000005580 ? 1/2 1.8350
8dab62de3efb6f95bf57976f2e21f6215595aecb1da4d7ba8cdf5c47260b7475 0.000005580 ? 1/2 1.8359
ccc612712f02ab347f0aee63b523bc9ce07396f7f4b4258606861905ce6191e7 0.000005550 ? 1/2 1.8271
023aa8de3490d6985ba5e85d6aedcf520886df000fb5e8687548ff8b7077447d 0.000009320 ? 10/2 9.0938
1587324 01:299:20:29:09 9.1904 464ceeca1ee5a66761414fe9d2922485964d6e928bedd4a0968b3964fbc08648 N/A 10.791210985 0/1 0.0996
9c1ab108b7c096469eb311af873e3af085cfdac01264e38ebffa9bbd8e0335c5 0.000009320 ? 10/2 9.0908
1587323 01:299:20:30:32 0.0996 63cbe08dd81758a4c706ebc371fc5f299f514c971efaba71e1d4c6ae6d5d6a92 N/A 10.791206811 0/1 0.0996
1587322 01:299:20:30:33 0.0996 2e388c22ee5e37425a4762ba073b1a2576d2ed79662be4af5f4e4b06ea07d443 N/A 10.791211956 0/1 0.0996
1587321 01:299:20:31:02 0.0996 a7fb74e6d3ee535e419f285f397ed6c8e1bdf48e26d62ffc613b5ac328414692 N/A 10.791217102 0/1 0.0996
1587320 01:299:20:33:27 0.0996 7c5728ffb5d074dd5249db88659b414442c4744d95cdd579855e595efef8dd7b N/A 10.791222248 0/1 0.0996
1587319 01:299:20:34:54 1.9258 096772bd71c15d24c348c995ad279f0feeaf424d5a89926d37d83947c30759a4 N/A 10.791232943 0/1 0.0996
109d28146f3def6951c59eacf36ec5269502e5ece57f5fb8e7c08f34c0b06f6e 0.000005550 ? 1/2 1.8262
1587318 01:299:20:38:52 0.0996 ecb693f6278f52832c79c09e87e71f27913198974b86adafd5caa6609e180442 N/A 10.791232539 0/1 0.0996
1587317 01:299:20:39:11 0.0996 a3139a8487684d529650d82e810f8aaafdd54f41f91fcae0bec4056f8625cb57 N/A 10.791237685 0/1 0.0996
1587316 01:299:20:39:18 0.0996 8342e484fac536ca8b499828e36af44985a0c36410b89431557e6a79a4d96814 N/A 10.791242830 0/1 0.0996
1587315 01:299:20:40:58 0.0996 c56f520832838d8e9c32c947dff8b5b2f8c531711badf04039c368caa39b4b41 N/A 10.791247976 0/1 0.0996
1587314 01:299:20:41:34 0.0996 45c2eb7817e532814bad8760c44896b1fc32ad137477a3845c17ff414b94bd25 N/A 10.791253122 0/1 0.0996
1587313 01:299:20:42:23 0.0996 0b660beecd00eec3fae3a17767705c6b180b2bce45d7a1aa8955ef2faab6c57f N/A 10.791258267 0/1 0.0996
1587312 01:299:20:43:38 12.4609 51fda8ab9f68feea690558ac95ef17366da6a642ebb7ea92823231922f42a90c N/A 10.791301153 0/1 0.0996
8b59a0568854d756810d3a3684dc57c936eb9665a3a0378da6c35575a84002d8 0.000008040 ? 2/2 2.6289
76fa80c6dfb64697f8c21330fca396b2d6d0b2ce6e4cbda60e3ef55152f137c9 0.000008070 ? 2/2 2.6396
7c1d78f5d66462b3eeae967068f95fdd80d595ceda7dc20d32cc27c62d44c9f5 0.000008040 ? 2/2 2.6309
882d399872ed2eb53d6dd83f89cc724ab1dfb2febfcd32599f56f3cb86f2862f 0.000008040 ? 2/2 2.6338
0d379f819694d6e20b91b54876fe0c0ba93a528d50c2a8efcf8d72ac93fb3742 0.000005550 ? 1/2 1.8281
1587311 01:299:20:45:27 0.0996 f97c8bd1477a522d7e8d4a5f30b2e4553aca993fd0140af9a72edec105cc54cd N/A 10.791268559 0/1 0.0996
1587310 01:299:20:49:05 0.0996 d9ab8e0774e29b567f73228f331d4725f15b16f615251c510abaadedc0b893ba N/A 10.791273704 0/1 0.0996
1587309 01:299:20:51:55 0.0996 ab0e541965ef4f31b362102993334293ff74fb8cc8a0a1c0a7e8d9c900551a70 N/A 10.791278850 0/1 0.0996
1587308 01:299:20:54:05 0.0996 01b8848b0299040907f97d231104193fd451fbd1018e6342e0f5702f25d3f64b N/A 10.791283996 0/1 0.0996
Prev
Current Page: 21572/100938
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 07:14:13:20 None (deregistration imminent!)
cf8f65a97c31057a45dec63b065e23d0763c1ea88c7282fafd738e3e090ef01b 2/12 70 2001666 06:14:25:59 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 2018721 17:55:55 Staking Infinitely
53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016 1/12 100000.000000000 2018722 00:46:28 Staking Infinitely
2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a 1/12 100000.000000000 2018723 06:29:38 Staking Infinitely
ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510 1/12 100000.000000000 2018724 00:51:03 Staking Infinitely
0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb 1/12 100000.000000000 2018725 01:06:56:41 Staking Infinitely
139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2 1/12 100000.000000000 2018726 00:46:12 Staking Infinitely
3cb0bba8f15c0902db46604f9fb6badeb0f611a645e4b29fb899342107c1f8c7 2/12 44 100000.000000000 2018727 01:36:45 Staking Infinitely
4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21 1/12 100000.000000000 2018728 01:05:24 Staking Infinitely
5d21979e8b9332bfc583b3855b5e1b047080dce4609a21454595892ca797f514 1/12 100000.000000000 2018729 00:38:23 Staking Infinitely
81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9 1/12 100000.000000000 2018730 00:10:19 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 2018765)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: 33ef2ff577821dfc3e8ba0b6a7b62759f092c53d798cc1a9c5ba85f59f549efc 00:49:55 Staking Infinitely (N/A)
1: 64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab 01:12:49 Staking Infinitely (N/A)
2: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a 00:43:15 Staking Infinitely (N/A)
3: 28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268 00:52:10 Staking Infinitely (N/A)
4: 5d21979e8b9332bfc583b3855b5e1b047080dce4609a21454595892ca797f514 00:38:24 Staking Infinitely (N/A)
5: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f 10:40:56 Staking Infinitely (N/A)
6: 53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016 00:46:29 Staking Infinitely (N/A)
7: 76e3e01fe63166ca4e448a2d9353486dbf966804c0eb51437d135fdd93e3eb3f 00:50:16 Staking Infinitely (N/A)
8: 75ed97a747c6b790917a62befd733ec67df8a7b5a9861baa432521eaa788d2e2 02:00:06 Staking Infinitely (N/A)
9: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf 01:01:12 Staking Infinitely (N/A)
Nodes to test (39):
0: 30f9c742e16707fb9b0c9c2078ed750595e297e4a0f75b972794766e25447cfc 00:49:27 Staking Infinitely (N/A)
1: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21 01:05:25 Staking Infinitely (N/A)
2: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 00:04:37 Staking Infinitely (N/A)
3: 80a869c7963e4c92ccd1032749e29b33e7e943f4e70cbe8d9a3110115a0a53e3 00:30:15 Staking Infinitely (N/A)
4: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973 01:46:12 Staking Infinitely (N/A)
5: b42fb5a319f9ef592ada30e483b64431d05386ba5692727d0e64a15802be3ef5 00:53:51 Staking Infinitely (N/A)
6: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54 00:54:14 Staking Infinitely (N/A)
7: 30f3281710c23bb2c9b11a8bc0a3f63876ad2d974a55f08db00dde2f1fce4f3e 00:10:29 Staking Infinitely (N/A)
8: f9e9aa7608c8c134ff9c14ef92488c122b947fd27d8cfe31d6745546c462665b 01:03:11 Staking Infinitely (N/A)
9: c6c5fce08eef76dca701248665f0586f83da2243ba13781899abc525b3572063 00:54:35 Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2018764)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: 4a9a479460d135c51723254462919ff51e4b692f2bc4aedafb26316494f45a64 03:13:15 Staking Infinitely (N/A)
1: 30f3281710c23bb2c9b11a8bc0a3f63876ad2d974a55f08db00dde2f1fce4f3e 00:10:29 Staking Infinitely (N/A)
2: 139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2 00:46:13 Staking Infinitely (N/A)
3: 81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9 00:10:20 Staking Infinitely (N/A)
4: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a 00:43:15 Staking Infinitely (N/A)
5: ab1264fe8acaba585069c1fb0afe0804a97bc00ef269c17231b7994024851111 00:07:54 Staking Infinitely (N/A)
6: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510 00:51:04 Staking Infinitely (N/A)
7: 28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268 00:52:10 Staking Infinitely (N/A)
8: c99d98eadc123984ca4f9042e6e2e3460e43467a7136f61f7f0960ef92fec01e 00:47:13 Staking Infinitely (N/A)
9: 30f9c742e16707fb9b0c9c2078ed750595e297e4a0f75b972794766e25447cfc 00:49:27 Staking Infinitely (N/A)
Nodes to test (39):
0: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4 00:10:37 Staking Infinitely (N/A)
1: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641 00:59:39 Staking Infinitely (N/A)
2: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf 01:01:12 Staking Infinitely (N/A)
3: d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d 17:55:56 Staking Infinitely (N/A)
4: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21 01:05:25 Staking Infinitely (N/A)
5: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185 01:03:14 Staking Infinitely (N/A)
6: 64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab 01:12:49 Staking Infinitely (N/A)
7: 76e3e01fe63166ca4e448a2d9353486dbf966804c0eb51437d135fdd93e3eb3f 00:50:16 Staking Infinitely (N/A)
8: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f 10:40:56 Staking Infinitely (N/A)
9: 3cb0bba8f15c0902db46604f9fb6badeb0f611a645e4b29fb899342107c1f8c7 01:36:46 Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2018763)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973 01:46:12 Staking Infinitely (N/A)
1: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf 01:01:12 Staking Infinitely (N/A)
2: 2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a 06:29:39 Staking Infinitely (N/A)
3: 050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82 03:14:49 Staking Infinitely (N/A)
4: c98ab9fca45aec5e9c8ea6f7dd0660b3567e3691d3cfbc4e4b035e737706160b 00:32:58 Staking Infinitely (N/A)
5: 0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb 01:06:56:42 Staking Infinitely (N/A)
6: 781efae048bb90829a0c7ce9f4c9c34e572d236955e91f4b3c86a85effa632d5 02:19:19 Staking Infinitely (N/A)
7: 80a869c7963e4c92ccd1032749e29b33e7e943f4e70cbe8d9a3110115a0a53e3 00:30:15 Staking Infinitely (N/A)
8: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a 00:43:15 Staking Infinitely (N/A)
9: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21 01:05:25 Staking Infinitely (N/A)
Nodes to test (39):
0: cf8f65a97c31057a45dec63b065e23d0763c1ea88c7282fafd738e3e090ef01b 06:14:26:00 Staking Infinitely (N/A)
1: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54 00:54:14 Staking Infinitely (N/A)
2: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0 00:10:04 Staking Infinitely (N/A)
3: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510 00:51:04 Staking Infinitely (N/A)
4: 64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab 01:12:49 Staking Infinitely (N/A)
5: ab1264fe8acaba585069c1fb0afe0804a97bc00ef269c17231b7994024851111 00:07:54 Staking Infinitely (N/A)
6: c338966f59c208f065e570e4631dced159118467b174e2cadc0bd59ff4768987 00:55:45 Staking Infinitely (N/A)
7: c99d98eadc123984ca4f9042e6e2e3460e43467a7136f61f7f0960ef92fec01e 00:47:13 Staking Infinitely (N/A)
8: 30f9c742e16707fb9b0c9c2078ed750595e297e4a0f75b972794766e25447cfc 00:49:27 Staking Infinitely (N/A)
9: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 00:04:37 Staking Infinitely (N/A)
+ 29 more ↪

Checkpoint quorum for height 2018764 (determined by block 2018753)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
0: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf 01:01:12 Staking Infinitely (N/A)
1: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36 00:34:35 Staking Infinitely (N/A)
2: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4 00:10:37 Staking Infinitely (N/A)
3: 80a869c7963e4c92ccd1032749e29b33e7e943f4e70cbe8d9a3110115a0a53e3 00:30:15 Staking Infinitely (N/A)
4: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973 01:46:12 Staking Infinitely (N/A)
5: 75ed97a747c6b790917a62befd733ec67df8a7b5a9861baa432521eaa788d2e2 02:00:06 Staking Infinitely (N/A)
6: 848ad910440f790d4a687cad83b333f99dec1fb47bae617c7a02db65b2f1c244 10:49:55 Staking Infinitely (N/A)
7: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 00:04:37 Staking Infinitely (N/A)
8: c6c5fce08eef76dca701248665f0586f83da2243ba13781899abc525b3572063 00:54:35 Staking Infinitely (N/A)
9: 2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a 06:29:39 Staking Infinitely (N/A)
10: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f 10:40:56 Staking Infinitely (N/A)
11: 94b370885630009cbe68165b641e51343bcb90aba151434230424f6e3ec4a6d2 08:09:24 Staking Infinitely (N/A)
12: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641 00:59:39 Staking Infinitely (N/A)
13: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65 00:53:27 Staking Infinitely (N/A)
14: 30f9c742e16707fb9b0c9c2078ed750595e297e4a0f75b972794766e25447cfc 00:49:27 Staking Infinitely (N/A)
15: c99d98eadc123984ca4f9042e6e2e3460e43467a7136f61f7f0960ef92fec01e 00:47:13 Staking Infinitely (N/A)
16: 64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab 01:12:49 Staking Infinitely (N/A)
17: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0 00:10:04 Staking Infinitely (N/A)
18: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a 00:43:15 Staking Infinitely (N/A)
19: 050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82 03:14:49 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
2018768 1a4b9191bfb607c4a18c867d4b1565e9c0aa918db3138a9629e6d086e83a7c91 2018768; 9/20 signatures: x x x x x x x x x x x
2018764 34361d5db83c890cad61a47af5a8f9616f9043c73894296f9e7ac794f57653c8 2018764; 7/20 signatures: x x x x x x x x x x x x x
2018760 a1b9f081c3f71f422925d27b628a181a73e2197529b9724d856313ddc4494b1a 2018760; 8/20 signatures: x x x x x x x x x x x x
2018700 ffefdc850ced11378266649925823e12e317cad91a273d6ffb7c6b3ecd2d7720 2018700; 10/20 signatures: x x x x x x x x x x
2018640 3c7ef36d5ec71a8c3e061c080cb92ac095f5b836492f1d526d5a4b5a60a5a4ef 2018640; 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