Arqma Blockchain Explorer

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

Server Time: 2026-09-07 14:28:48 | Transaction Pool | Autorefresh is OFF | Go to stagenet explorer | Go to mainnet explorer

Network difficulty: 209000138 | Hard fork: v19 | Hash rate: 1.742 MH/s | Staking Requirement: 100000.000000000 ARQ | Fee: 0.000000050/byte + 0.000090000/output | Median block size limit: 1024.00 kB | Data From 00:00:13 [h:m:s] ago

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

Arqma emission (fees) is 40244952.239012659 (1053.995090909) as of 2020182 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]
1497422	02:063:23:25:54	0.0996		daa39bb18db874c39ba533b86a8bd14715fdd9575844f1af229eb60c9b552fd9	N/A	11.263864455	0/1	0.0996
1497421	02:063:23:26:38	0.0996		fde13a3dbd0a78b54ef308369351dcf3d6e5d2b1c0fad633b5eb43e3eec1e7b8	N/A	11.263869826	0/1	0.0996
1497420	02:063:23:28:00	0.0996		e3c749cadbf9d4e51b40400cfde280a3a18c510401600d4986d7ce250160ef6c	N/A	11.263875197	0/1	0.0996
1497419	02:063:23:28:44	7.5879		0a9ba2191a4c77d5904abf586193e69ee676acdb42fdc5908bc445e24c7fb2ac	N/A	11.263888238	0/1	0.0996
				d6e79129b69b14423b5c0944c8feb5b94b41704793a33cb63c4d5fb3c29511a2	0.000007670	?	8/2	7.4883
1497418	02:063:23:30:06	0.0996		f10f0a65c96e0ccd85f000754d22b2ac2cb66215662d603aafbd96ecee66f7c7	N/A	11.263885939	0/1	0.0996
1497417	02:063:23:31:56	6.7783		ba241b687bfc622ecdd0491b00033f9a857a7ce304aa6546ca19acdfc2c4d38a	N/A	11.263898150	0/1	0.0996
				6a522528e5aa6d3c35445db710bab233ffa0df02a0f60e383780444fda19c7f5	0.000006840	?	7/2	6.6787
1497416	02:063:23:37:57	0.0996		e24d46ad0da93d0fcc98a4df336a0d2e1e31e1e9776918a68e77ffb24b3228d4	N/A	11.263896682	0/1	0.0996
1497415	02:063:23:38:45	1.9219		615827b71ed9facf1cda1fce516eba553af4848bac75aabcbd5620bba3d5a1e6	N/A	11.263903903	0/1	0.0996
				eb5e3d8bbfbddfcea65623224898319d878f2246f53bfe54bcd55e9dbd8bf01f	0.000001850	?	1/2	1.8223
1497414	02:063:23:47:21	0.0996		35c3105ece06c0582bc512c1cd31661b37c2b66f7ec25bb8dd766b1fb75e3dbc	N/A	11.263907424	0/1	0.0996
1497413	02:063:23:47:49	0.0996		73856a86780b4e25cb6241986de1454294cb4a72a2b8714f18a89d63837a99ab	N/A	11.263912795	0/1	0.0996
1497412	02:063:23:47:57	0.0996		1e5e5e9fd87143006c671e9756f8dce0e4fe8cb4bf41cfdfae57e13ff45b7d29	N/A	11.263918166	0/1	0.0996
1497411	02:063:23:48:35	0.0996		513a87dc93e39d95b842f1ec5d4f86dcfe2d7c93dccb999d3ac428575a4047ba	N/A	11.263923537	0/1	0.0996
1497410	02:063:23:48:58	5.3662		21dd6e1974a33989fe42a4a872aede1460351a3935b135c6ccc3923aa431cc1f	N/A	11.263934278	0/1	0.0996
				b99b12a7a74c9291a588228aa9a10336e182d2de6688fd4cb92775faa379d0b7	0.000002680	?	2/2	2.6279
				99e786679e5c0cb4db0809a004ab2537ad6cb6f78c03f48f2b34e25664fae437	0.000002690	?	2/2	2.6387
1497409	02:063:23:49:26	5.5850		cf383847389c354b922eb6c4c95998baa83f09e1bf20ad7b7e7b6c71a4c0565d	N/A	11.263939839	0/1	0.0996
				625984b4b9f0685052f47904fb205abe512518cfaee423f778d90e5e212ecfd2	0.000001850	?	1/2	1.8232
				eccd9f393a6cd8f8580da6c5aaff83f58e7d83d024f7e6acdd1415f0f37089ce	0.000001860	?	1/2	1.8359
				7f466463f038d74d6bc60e14b69ecfa27f781f9c7cd22a52a390c9a469626c86	0.000001850	?	1/2	1.8262
1497408	02:063:23:52:43	0.0996		d3ff570eaeb8010ca57cc7875a2d58b451eed1692646d22dbbb63a80cbe24ccf	N/A	11.263939650	0/1	0.0996
1497407	02:063:23:55:14	0.0996		03d4d7ebf08ea3125e37ae7f4ed70952efa3f9c1ff521e5fb9eee4a7244a7071	N/A	11.263945021	0/1	0.0996
1497406	02:063:23:55:43	0.0996		9601edc8dbf7df690f0211d11921b2f79fa72ec384d134d55d70bae84ca0dd11	N/A	11.263950392	0/1	0.0996
1497405	02:063:23:58:18	2.7461		373c69f3943b648044ba23f03d9a75d9bcccfb66c24108dc9649b2374d18d8c3	N/A	11.263958453	0/1	0.0996
				0b59fada102421bfb883898fd833a5eb894347d2610b875419368c8d19074667	0.000002690	?	2/2	2.6465
1497404	02:064:00:00:58	11.6260		0921f986cbbd9a3d0d77cbbfb98d8023f48e699037886fe188214cbae13fecdb	N/A	11.263972944	0/1	0.0996
				a00aaacebbfe188a36fec3b2d5722800dff428e72cd3c6d7f880e73e13b694a9	0.000011810	?	13/2	11.5264
1497403	02:064:00:05:39	0.0996		20d72dd89741261e800a534b8b5b073be9f11e0ff8342ea4294fc04c7433176c	N/A	11.263966505	0/1	0.0996

Current Page: 26138/101009

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	09:15:50:41	None (deregistration imminent!)
cf8f65a97c31057a45dec63b065e23d0763c1ea88c7282fafd738e3e090ef01b	2/12	70	2001666	08:16:03:20	None (deregistration imminent!)

Active Service Nodes (47)

Public Key	Contributors	Operator Fee (%)	Staking Requirement	Last Reward Height	Last Uptimr Proof	Expiry Date UTC (Estimated)
139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2	1/12		100000.000000000	2020136	10:21:23	Staking Infinitely
3cb0bba8f15c0902db46604f9fb6badeb0f611a645e4b29fb899342107c1f8c7	2/12	44	100000.000000000	2020137	00:52:20	Staking Infinitely
4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21	1/12		100000.000000000	2020138	12:11:30	Staking Infinitely
5d21979e8b9332bfc583b3855b5e1b047080dce4609a21454595892ca797f514	1/12		100000.000000000	2020139	00:24:21	Staking Infinitely
81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9	1/12		100000.000000000	2020140	01:01:18	Staking Infinitely
83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4	1/12		100000.000000000	2020141	01:01:38	Staking Infinitely
a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641	2/12	60	100000.000000000	2020142	05:35:27	Staking Infinitely
bf84fec11377bd3f6a46c27484a8f46050274067047fefe4b15cfd566d68a671	1/12		100000.000000000	2020143	00:56:26	Staking Infinitely
c98ab9fca45aec5e9c8ea6f7dd0660b3567e3691d3cfbc4e4b035e737706160b	2/12	33	100000.000000000	2020144	00:15:06	Staking Infinitely
c6c5fce08eef76dca701248665f0586f83da2243ba13781899abc525b3572063	3/12	50	100000.000000000	2020145	06:02:56	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 2020180)

Validators 10:
Public Key	Last Uptime Proof	Expiry Date UTC (Estimated)
0: 75ed97a747c6b790917a62befd733ec67df8a7b5a9861baa432521eaa788d2e2	00:37:34	Staking Infinitely (N/A)
1: c9839bdce086483c6fae8ede8600e4410c5dcd2a431148689480ddfd4c6c9363	00:46:31	Staking Infinitely (N/A)
2: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a	00:29:12	Staking Infinitely (N/A)
3: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36	00:21:30	Staking Infinitely (N/A)
4: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65	00:39:29	Staking Infinitely (N/A)
5: f0e1913158cd650f98270490ded011fc138bb0a18bce9dcb796276b58f32340a	00:38:21	Staking Infinitely (N/A)
6: 0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb	02:26:30	Staking Infinitely (N/A)
7: c6c5fce08eef76dca701248665f0586f83da2243ba13781899abc525b3572063	06:02:56	Staking Infinitely (N/A)
8: 5d21979e8b9332bfc583b3855b5e1b047080dce4609a21454595892ca797f514	00:24:21	Staking Infinitely (N/A)
9: 139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2	10:21:23	Staking Infinitely (N/A)
Nodes to test (39):
0: 80a869c7963e4c92ccd1032749e29b33e7e943f4e70cbe8d9a3110115a0a53e3	00:12:58	Staking Infinitely (N/A)
1: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0	01:01:04	Staking Infinitely (N/A)
2: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f	06:02:55	Staking Infinitely (N/A)
3: ab1264fe8acaba585069c1fb0afe0804a97bc00ef269c17231b7994024851111	00:35:05	Staking Infinitely (N/A)
4: 94b370885630009cbe68165b641e51343bcb90aba151434230424f6e3ec4a6d2	18:00:26	Staking Infinitely (N/A)
5: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510	00:38:05	Staking Infinitely (N/A)
6: 33ef2ff577821dfc3e8ba0b6a7b62759f092c53d798cc1a9c5ba85f59f549efc	00:36:56	Staking Infinitely (N/A)
7: 5a67c6e399571ec4665cc61cc19a5e84eeab60cf51c4f75fac5eea24a33d87e0	09:15:50:41	Staking Infinitely (N/A)
8: d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d	06:11:12	Staking Infinitely (N/A)
9: 4a9a479460d135c51723254462919ff51e4b692f2bc4aedafb26316494f45a64	06:12:52	Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2020179)

Validators 10:
Public Key	Last Uptime Proof	Expiry Date UTC (Estimated)
0: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65	00:39:29	Staking Infinitely (N/A)
1: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973	03:41:02	Staking Infinitely (N/A)
2: f0e1913158cd650f98270490ded011fc138bb0a18bce9dcb796276b58f32340a	00:38:21	Staking Infinitely (N/A)
3: 28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268	00:39:11	Staking Infinitely (N/A)
4: 30f9c742e16707fb9b0c9c2078ed750595e297e4a0f75b972794766e25447cfc	00:36:18	Staking Infinitely (N/A)
5: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510	00:38:05	Staking Infinitely (N/A)
6: 2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a	01:53:57	Staking Infinitely (N/A)
7: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36	00:21:30	Staking Infinitely (N/A)
8: b42fb5a319f9ef592ada30e483b64431d05386ba5692727d0e64a15802be3ef5	00:39:51	Staking Infinitely (N/A)
9: 64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab	00:57:27	Staking Infinitely (N/A)
Nodes to test (39):
0: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1	02:00:18	Staking Infinitely (N/A)
1: cf8f65a97c31057a45dec63b065e23d0763c1ea88c7282fafd738e3e090ef01b	08:16:03:20	Staking Infinitely (N/A)
2: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f	06:02:55	Staking Infinitely (N/A)
3: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a	00:29:12	Staking Infinitely (N/A)
4: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185	06:12:54	Staking Infinitely (N/A)
5: f9e9aa7608c8c134ff9c14ef92488c122b947fd27d8cfe31d6745546c462665b	00:50:01	Staking Infinitely (N/A)
6: 0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb	02:26:30	Staking Infinitely (N/A)
7: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54	09:17:47	Staking Infinitely (N/A)
8: c99d98eadc123984ca4f9042e6e2e3460e43467a7136f61f7f0960ef92fec01e	00:34:14	Staking Infinitely (N/A)
9: aa78babccc4e6e29d3becac648489e6da5c375ae22566dd9cc65880210d81539	00:27:06	Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2020178)

Validators 10:
Public Key	Last Uptime Proof	Expiry Date UTC (Estimated)
0: 050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82	01:54:13	Staking Infinitely (N/A)
1: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54	09:17:47	Staking Infinitely (N/A)
2: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0	01:01:04	Staking Infinitely (N/A)
3: 2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a	01:53:57	Staking Infinitely (N/A)
4: 139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2	10:21:23	Staking Infinitely (N/A)
5: c99d98eadc123984ca4f9042e6e2e3460e43467a7136f61f7f0960ef92fec01e	00:34:14	Staking Infinitely (N/A)
6: 53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016	00:33:24	Staking Infinitely (N/A)
7: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4	01:01:38	Staking Infinitely (N/A)
8: b42fb5a319f9ef592ada30e483b64431d05386ba5692727d0e64a15802be3ef5	00:39:51	Staking Infinitely (N/A)
9: aa78babccc4e6e29d3becac648489e6da5c375ae22566dd9cc65880210d81539	00:27:06	Staking Infinitely (N/A)
Nodes to test (39):
0: 80a869c7963e4c92ccd1032749e29b33e7e943f4e70cbe8d9a3110115a0a53e3	00:12:58	Staking Infinitely (N/A)
1: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510	00:38:05	Staking Infinitely (N/A)
2: 781efae048bb90829a0c7ce9f4c9c34e572d236955e91f4b3c86a85effa632d5	04:15:03	Staking Infinitely (N/A)
3: 64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab	00:57:27	Staking Infinitely (N/A)
4: 81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9	01:01:18	Staking Infinitely (N/A)
5: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a	00:29:12	Staking Infinitely (N/A)
6: ab1264fe8acaba585069c1fb0afe0804a97bc00ef269c17231b7994024851111	00:35:05	Staking Infinitely (N/A)
7: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65	00:39:29	Staking Infinitely (N/A)
8: 30f3281710c23bb2c9b11a8bc0a3f63876ad2d974a55f08db00dde2f1fce4f3e	01:01:30	Staking Infinitely (N/A)
9: 45f9349a3ceee3a75d6142204286d37dacf81c1f9ec01a65e7b716269726635d	00:27:03	Staking Infinitely (N/A)
+ 29 more ↪

Checkpoint quorum for height 2020180 (determined by block 2020169)

Public Key	Last Uptime Proof	Expiry Date UTC (Estimated)
0: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4	01:01:38	Staking Infinitely (N/A)
1: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185	06:12:54	Staking Infinitely (N/A)
2: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf	00:43:46	Staking Infinitely (N/A)
3: 2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a	01:53:57	Staking Infinitely (N/A)
4: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a	00:29:12	Staking Infinitely (N/A)
5: 050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82	01:54:13	Staking Infinitely (N/A)
6: 139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2	10:21:23	Staking Infinitely (N/A)
7: aa78babccc4e6e29d3becac648489e6da5c375ae22566dd9cc65880210d81539	00:27:06	Staking Infinitely (N/A)
8: 81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9	01:01:18	Staking Infinitely (N/A)
9: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54	09:17:47	Staking Infinitely (N/A)
10: 94b370885630009cbe68165b641e51343bcb90aba151434230424f6e3ec4a6d2	18:00:26	Staking Infinitely (N/A)
11: 28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268	00:39:11	Staking Infinitely (N/A)
12: 30f3281710c23bb2c9b11a8bc0a3f63876ad2d974a55f08db00dde2f1fce4f3e	01:01:30	Staking Infinitely (N/A)
13: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1	02:00:18	Staking Infinitely (N/A)
14: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36	00:21:30	Staking Infinitely (N/A)
15: 53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016	00:33:24	Staking Infinitely (N/A)
16: 5d21979e8b9332bfc583b3855b5e1b047080dce4609a21454595892ca797f514	00:24:21	Staking Infinitely (N/A)
17: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641	05:35:27	Staking Infinitely (N/A)
18: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973	03:41:02	Staking Infinitely (N/A)
19: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21	12:11:30	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
2020180	752aefe7443d100d186475cd17906bd59a5fb35765624b1c1a2ad9233cc6d0dd	2020180; 9/20 signatures: ✓ x x x ✓ x x ✓ ✓ x x ✓ ✓ x ✓ ✓ ✓ x x x
2020176	80b29ecb7000641d478c514160cee61f1d3e3928a3a25635082c0575b2fe345b	2020176; 6/20 signatures: x x x x x ✓ x ✓ x x x x x x x ✓ ✓ ✓ ✓ x
2020140	3ff74fe6610cde770298bd8d3dffc33ae2704d0aeaf887034b86c4775aa2eb5c	2020140; 10/20 signatures: x ✓ x x ✓ x x ✓ ✓ ✓ x x ✓ x x x ✓ ✓ ✓ ✓
2020080	dba17de67d960aba45594b24cd4d81f5e21fb8449be6455a9c0d3914545db61e	2020080; 12/20 signatures: ✓ x ✓ x ✓ ✓ ✓ ✓ x ✓ ✓ x ✓ ✓ ✓ ✓ x x x x
2020020	75f1beeb01894bbeca325601e43e24533e473ccf4e4fb9f8ac6c4b82388e278d	2020020; 12/20 signatures: ✓ ✓ ✓ ✓ ✓ ✓ 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