# Block 9233580

- **Header hash:** `0x7f031ae7ea523c8aaca02b6c7314cf4a1373b225d7f719d93f6d1ac6f985aec9`
- **Height:** 9233580
- **Previous block:** [0xab762b9c239259ee57a95077e9f2446c8f270f6f07374efb3a531793765b568d](/block/0xab762b9c239259ee57a95077e9f2446c8f270f6f07374efb3a531793765b568d)
- **Next block:** [9233581](/block/9233581)
- **Type:** Transaction block
- **Timestamp:** 2026-09-02T02:20:19.000Z
- **Fees:** 0.003097 XCH
- **Weight:** 56050310528
- **Overflow:** no
- **Deficit:** 0
- **Signage point:** 51
- **Total iters:** 105920093875967
- **Required iters:** 2879231
- **Sub-slot iters:** 574619648
- **Farmer puzzle hash:** `0x9cac11f1eaf4f3e8bcda70f90d652a9e74c06ff2f2297c1c0652997bb121511a`
- **Pool puzzle hash:** `0xef6adcd22860e63e5440b91230b07c8b8bc30b33fc22c8eec460515e69978e0d`
- **Previous tx block:** [0x7db35c01bce55a1bcbea4f87b6e63df646aa435c3023a42c4c436b0cb66284fd](/block/0x7db35c01bce55a1bcbea4f87b6e63df646aa435c3023a42c4c436b0cb66284fd)
- **Reward infusion challenge:** `0xfef8e2a20ecca6b0f92724e05a60697297cda018646af2a06ffcdbe5d8591209`
- **Challenge block info hash:** `0x8333e74cedfadf61e46a78767f39929fc1dc5dbc30ddf4754eaa6f0398d2b537`

## Rewards

| Coin | Amount | Puzzle hash |
| --- | --- | --- |
| [0x49b70d296d222d6de1231118da290a0034ebb26cbc1141150f592d00f560921e](/coin/0x49b70d296d222d6de1231118da290a0034ebb26cbc1141150f592d00f560921e) | 0.875 XCH | `0x9fbde16e03f55c85ecf94cb226083fcfe2737d4e629a981e5db3ea0eb9907af4` |
| [0x977d935aebed5dc9b041263e552f5a6a896f84dfeb7a975d639428477d39c01e](/coin/0x977d935aebed5dc9b041263e552f5a6a896f84dfeb7a975d639428477d39c01e) | 0.125 XCH | `0x9fbde16e03f55c85ecf94cb226083fcfe2737d4e629a981e5db3ea0eb9907af4` |
| [0x2650b5f28d12b106f0e01fab6f600bc24698d0766956bf4d331159263b7439d2](/coin/0x2650b5f28d12b106f0e01fab6f600bc24698d0766956bf4d331159263b7439d2) | 0.875 XCH | `0x405e4339bc6684e79b865b78ec13f5c343edbcb12b3544eacece440de3bf24e4` |
| [0x7412283a1ee18a375004a18449adfe505fea88889d7aaee8e757f2eacf4e172f](/coin/0x7412283a1ee18a375004a18449adfe505fea88889d7aaee8e757f2eacf4e172f) | 0.125 XCH | `0x405e4339bc6684e79b865b78ec13f5c343edbcb12b3544eacece440de3bf24e4` |
| [0x9f7e9d34b070fcee8fc3009574193b8843fdd4e2fdcccee12e8cb9cfd4f7f206](/coin/0x9f7e9d34b070fcee8fc3009574193b8843fdd4e2fdcccee12e8cb9cfd4f7f206) | 0.875 XCH | `0x9fbde16e03f55c85ecf94cb226083fcfe2737d4e629a981e5db3ea0eb9907af4` |
| [0x4ebe4a49007b58b4833492b96e1a71510fb6eb30ffe1b2fae319fcc78b89424b](/coin/0x4ebe4a49007b58b4833492b96e1a71510fb6eb30ffe1b2fae319fcc78b89424b) | 0.125 XCH | `0x9fbde16e03f55c85ecf94cb226083fcfe2737d4e629a981e5db3ea0eb9907af4` |
| [0x37393245bb65cb80ca4b67a111778a4cb0c133beec404348a31b68eb1674d53d](/coin/0x37393245bb65cb80ca4b67a111778a4cb0c133beec404348a31b68eb1674d53d) | 0.875 XCH | `0xab97b0383e286f6fa03730e9d18264eb6129720ad5d791d601cd634fe30b5d8c` |
| [0x657b928fef3962ba40665ce17d758433a76d3daae890af3cd748f797a9dd3a23](/coin/0x657b928fef3962ba40665ce17d758433a76d3daae890af3cd748f797a9dd3a23) | 0.125 XCH | `0xdc852750755db15124a1acac18cb2a0ee866ec65a32218234617b9b3e7b0a6f4` |
| [0x571f6bb0099b4d116fafc44075be6faa401f335872000d00ea1703baac30498d](/coin/0x571f6bb0099b4d116fafc44075be6faa401f335872000d00ea1703baac30498d) | 0.875 XCH | `0x9fbde16e03f55c85ecf94cb226083fcfe2737d4e629a981e5db3ea0eb9907af4` |
| [0xa39ebbb59ee90523d315473ffbfeaa1fd602bb20a3835b91e083f8acca9fb14c](/coin/0xa39ebbb59ee90523d315473ffbfeaa1fd602bb20a3835b91e083f8acca9fb14c) | 0.125 XCH | `0x9fbde16e03f55c85ecf94cb226083fcfe2737d4e629a981e5db3ea0eb9907af4` |

## Transactions

| Time | Transaction | Status | Fee |
| --- | --- | --- | --- |
| 2026-09-02T02:20:19.000Z | [0x0e66607e5732e418f8248fd39ac2f34a5460fffae2f0985e44fd63a98989f7a3](/transaction/0e66607e5732e418f8248fd39ac2f34a5460fffae2f0985e44fd63a98989f7a3) | confirmed | 0 XCH |
| 2026-09-02T02:20:19.000Z | [0x39618220afe41c024703ce227b6bd555c4a65b9a91421664af003d5ddd25d974](/transaction/39618220afe41c024703ce227b6bd555c4a65b9a91421664af003d5ddd25d974) | confirmed | 0 XCH |
| 2026-09-02T02:20:19.000Z | [0x3bbbe36614728f344574c635e69e299c957bc3216e79ad51e20cbab8a900497b](/transaction/3bbbe36614728f344574c635e69e299c957bc3216e79ad51e20cbab8a900497b) | confirmed | 0 XCH |
| 2026-09-02T02:20:19.000Z | [0x4c1991ec6763082c75b6f8ec28ebb31f6f2bd3b7264ac703b0d6d061fbd8cd52](/transaction/4c1991ec6763082c75b6f8ec28ebb31f6f2bd3b7264ac703b0d6d061fbd8cd52) | confirmed | 0 XCH |
| 2026-09-02T02:20:19.000Z | [0x4e1a342043486958081163871bf06ae93220fe49d1abacc68fd0f4a36f99cf0b](/transaction/4e1a342043486958081163871bf06ae93220fe49d1abacc68fd0f4a36f99cf0b) | confirmed | 0.0006 XCH |
| 2026-09-02T02:20:19.000Z | [0x574c96cc4f333a9726293bcabd5ac0f20959f43673ae72d3ac42acba76767dda](/transaction/574c96cc4f333a9726293bcabd5ac0f20959f43673ae72d3ac42acba76767dda) | confirmed | 0.0006 XCH |
| 2026-09-02T02:20:19.000Z | [0x6dd7fc249b6f76bed647bacb264dd628dd0e0251492bdef3f56c43ab53be9a2b](/transaction/6dd7fc249b6f76bed647bacb264dd628dd0e0251492bdef3f56c43ab53be9a2b) | confirmed | 0 XCH |
| 2026-09-02T02:20:19.000Z | [0xa20c3aca6c5ecc0edcaf89ef4e3a8bf53461e290c5ff12ee3e7e23e2e79b5f78](/transaction/a20c3aca6c5ecc0edcaf89ef4e3a8bf53461e290c5ff12ee3e7e23e2e79b5f78) | confirmed | 0.0006 XCH |
| 2026-09-02T02:20:19.000Z | [0xa8133c16e43cf25cf7b17ecfa8545cd73c3346edc3e5209f82c52f3bf0003541](/transaction/a8133c16e43cf25cf7b17ecfa8545cd73c3346edc3e5209f82c52f3bf0003541) | confirmed | 0 XCH |
| 2026-09-02T02:20:19.000Z | [0xac6c1fd992ae841559b77479776c80987c6657e757d30c02a929813f388e9018](/transaction/ac6c1fd992ae841559b77479776c80987c6657e757d30c02a929813f388e9018) | confirmed | 0 XCH |
| 2026-09-02T02:20:19.000Z | [0xdc70cccf418b4eeb25ec9c4c84c056bffd149a8e495824b480596a4df2fa0221](/transaction/dc70cccf418b4eeb25ec9c4c84c056bffd149a8e495824b480596a4df2fa0221) | confirmed | 0.000005 XCH |
| 2026-09-02T02:20:19.000Z | [0xddd7234db07d012876e11212286dcf0666f31b6b2fd5c20dc5206a248766dfdc](/transaction/ddd7234db07d012876e11212286dcf0666f31b6b2fd5c20dc5206a248766dfdc) | confirmed | 0.0006 XCH |
| 2026-09-02T02:20:19.000Z | [0xf4f592045e9098e41e391d13e2493fd60cec5a47a6c3a541bcd2ce3cd05457ea](/transaction/f4f592045e9098e41e391d13e2493fd60cec5a47a6c3a541bcd2ce3cd05457ea) | confirmed | 0.000691 XCH |
| 2026-09-02T02:20:19.000Z | [0xf84943e06e8c9cb5d23337d0c991b7e4c3542dcdee18225a2c52a1bc2c007aaf](/transaction/f84943e06e8c9cb5d23337d0c991b7e4c3542dcdee18225a2c52a1bc2c007aaf) | confirmed | 0 XCH |

## Additions

| Coin | Amount | Confirmed | Spent |
| --- | --- | --- | --- |
| [0xa528bdd8b62cbbbd735ec910fa0241e6b4a735afdacdba5aaebd02f506fc1fdc](/coin/0xa528bdd8b62cbbbd735ec910fa0241e6b4a735afdacdba5aaebd02f506fc1fdc) | 0 XCH | [9233580](/block/9233580) | no |
| [0x250ae88f830e1b8415dee6c2db2684e8cffa9f361dac3675aef8486aee640e02](/coin/0x250ae88f830e1b8415dee6c2db2684e8cffa9f361dac3675aef8486aee640e02) | 0 XCH | [9233580](/block/9233580) | no |
| [0xe7147ccfe0c698e59b8922ced8731d012b2809b33a41d95ee96ed8b747aab6f9](/coin/0xe7147ccfe0c698e59b8922ced8731d012b2809b33a41d95ee96ed8b747aab6f9) | 0 XCH | [9233580](/block/9233580) | no |
| [0x7e9227165b426546074687868805f6b5737ca5e648a2aa70d0ad7d14d90b1a93](/coin/0x7e9227165b426546074687868805f6b5737ca5e648a2aa70d0ad7d14d90b1a93) | 0 XCH | [9233580](/block/9233580) | no |
| [0xd78bc8ab8ab9d593713a896cd4cf9d498486c84a32048ad808aaf92808c1642d](/coin/0xd78bc8ab8ab9d593713a896cd4cf9d498486c84a32048ad808aaf92808c1642d) | 0 XCH | [9233580](/block/9233580) | no |
| [0x1134c7fa20ac21cabedae72ec1e392d983e88f8d087ef2157000bbd6d2e15fb1](/coin/0x1134c7fa20ac21cabedae72ec1e392d983e88f8d087ef2157000bbd6d2e15fb1) | 0 XCH | [9233580](/block/9233580) | no |
| [0xcd4c50383f9ddc25587745da087ba3c671bd6193ab6dc47a85d0093a493e6135](/coin/0xcd4c50383f9ddc25587745da087ba3c671bd6193ab6dc47a85d0093a493e6135) | 0 XCH | [9233580](/block/9233580) | no |
| [0x226e95f7b597573e9c89046d30b0c7da0d6270002c8d5b28c715f08215acc265](/coin/0x226e95f7b597573e9c89046d30b0c7da0d6270002c8d5b28c715f08215acc265) | 0 XCH | [9233580](/block/9233580) | no |
| [0x863dffd955bf49ac9fea4e4a5a0f7fdf4942aa23e53805fb1e5e7090c667aa4a](/coin/0x863dffd955bf49ac9fea4e4a5a0f7fdf4942aa23e53805fb1e5e7090c667aa4a) | 0 XCH | [9233580](/block/9233580) | no |
| [0x2a50946b51164d35b66265ee050fb63d54f557ca911ae4bf612d4e34ca2ba706](/coin/0x2a50946b51164d35b66265ee050fb63d54f557ca911ae4bf612d4e34ca2ba706) | 0 XCH | [9233580](/block/9233580) | no |
| [0xa959c3543d71ed65e549743bd879f8033fdbf562f2d5e8e065b1d17630d9407c](/coin/0xa959c3543d71ed65e549743bd879f8033fdbf562f2d5e8e065b1d17630d9407c) | 0 XCH | [9233580](/block/9233580) | no |
| [0x5d63f8a581e6056ff685f9d820736c142ceeaccaaf9d7ed52bfd5ebb99327a90](/coin/0x5d63f8a581e6056ff685f9d820736c142ceeaccaaf9d7ed52bfd5ebb99327a90) | 0 XCH | [9233580](/block/9233580) | no |
| [0xce7e3793eed4bf6b35676ee51696fc28d2ee15c701b9cc8ec7f17e3109b46802](/coin/0xce7e3793eed4bf6b35676ee51696fc28d2ee15c701b9cc8ec7f17e3109b46802) | 0 XCH | [9233580](/block/9233580) | no |
| [0x51777abe8422fe7f1585a76db33fac72c88651578ab88432f7ba5c129bbb522c](/coin/0x51777abe8422fe7f1585a76db33fac72c88651578ab88432f7ba5c129bbb522c) | 0 XCH | [9233580](/block/9233580) | no |
| [0xa0e5cfdd318aa25bf826b1c7e5482d2afd557492868be489d1c059c6607d5e2e](/coin/0xa0e5cfdd318aa25bf826b1c7e5482d2afd557492868be489d1c059c6607d5e2e) | 0 XCH | [9233580](/block/9233580) | no |
| [0x0bbfb920c39dec980b9d2c519e1478178e04a347587618a06ffdaf60644cee28](/coin/0x0bbfb920c39dec980b9d2c519e1478178e04a347587618a06ffdaf60644cee28) | 0 XCH | [9233580](/block/9233580) | no |
| [0x330db6ca99189a024289fa04d189943d89b3a35f2ed830c019e390cdf5b62705](/coin/0x330db6ca99189a024289fa04d189943d89b3a35f2ed830c019e390cdf5b62705) | 0 XCH | [9233580](/block/9233580) | no |
| [0x1fac8aeb150bfa1e485629c577b3f83009bf5c36f068bd839f8ad49854aa8b51](/coin/0x1fac8aeb150bfa1e485629c577b3f83009bf5c36f068bd839f8ad49854aa8b51) | 0 XCH | [9233580](/block/9233580) | no |
| [0xf559108cd9383152e72f7075f4e0eada7c9e272b82c4a7b11a27ca87f44edee0](/coin/0xf559108cd9383152e72f7075f4e0eada7c9e272b82c4a7b11a27ca87f44edee0) | 0 XCH | [9233580](/block/9233580) | no |
| [0x31fb6d2b67b25a80b5d9e8bd1803292d18e0cd4db7b97d353f93b21dc818fd16](/coin/0x31fb6d2b67b25a80b5d9e8bd1803292d18e0cd4db7b97d353f93b21dc818fd16) | 0 XCH | [9233580](/block/9233580) | no |
| [0x03ada170d018dfd630a7917cfc6c69cf7ebea2e68606ab8f91f685bab9c58bc3](/coin/0x03ada170d018dfd630a7917cfc6c69cf7ebea2e68606ab8f91f685bab9c58bc3) | 0 XCH | [9233580](/block/9233580) | no |
| [0xda487a46f567ea890e89db4d784ff8605fca00354d5749cd83ab52bae57b5c0e](/coin/0xda487a46f567ea890e89db4d784ff8605fca00354d5749cd83ab52bae57b5c0e) | 0 XCH | [9233580](/block/9233580) | no |
| [0x950608d8118f6022e49aa59c3be6e9d76a545aeb9394f4b4c3f5dc356a01ac2e](/coin/0x950608d8118f6022e49aa59c3be6e9d76a545aeb9394f4b4c3f5dc356a01ac2e) | 0 XCH | [9233580](/block/9233580) | no |
| [0xb8ec509d10842753b4606b9ff442410639c43978150f850fee7fc9fb5956d8a9](/coin/0xb8ec509d10842753b4606b9ff442410639c43978150f850fee7fc9fb5956d8a9) | 0 XCH | [9233580](/block/9233580) | no |
| [0x519141ec4b27543336b262ac7a7ac23454cda27e822fd2857b6dc2b0c4228a0b](/coin/0x519141ec4b27543336b262ac7a7ac23454cda27e822fd2857b6dc2b0c4228a0b) | 0 XCH | [9233580](/block/9233580) | no |

_… truncated_

## Removals

| Coin | Amount | Confirmed | Spent |
| --- | --- | --- | --- |
| [0x2ba3faa60d766a798dc7cb79d208b0dc0402751c9a07dbdc8f2ed39cda36a4c2](/coin/0x2ba3faa60d766a798dc7cb79d208b0dc0402751c9a07dbdc8f2ed39cda36a4c2) | 0 XCH | [9228543](/block/9228543) | yes |
| [0x433f1ac8f88fea45a8f6b50a293318983342152dee13ebd495657d9c6350c0d9](/coin/0x433f1ac8f88fea45a8f6b50a293318983342152dee13ebd495657d9c6350c0d9) | 0 XCH | [9232845](/block/9232845) | yes |
| [0x3aae81860ee2dfe0fedea29f77ed27865cd237dd383e96a919707771a6e096b0](/coin/0x3aae81860ee2dfe0fedea29f77ed27865cd237dd383e96a919707771a6e096b0) | 0 XCH | [9232932](/block/9232932) | yes |
| [0x0c3a2b802277e4b40b6ae6e2bccba57b7525d61666d3533b4b1acbe97be68d99](/coin/0x0c3a2b802277e4b40b6ae6e2bccba57b7525d61666d3533b4b1acbe97be68d99) | 0 XCH | [9233169](/block/9233169) | yes |
| [0xe95928bf6973bfc69bdd86718843ce4091b967bfb6b223ec13d60e515d1e5797](/coin/0xe95928bf6973bfc69bdd86718843ce4091b967bfb6b223ec13d60e515d1e5797) | 0 XCH | [9233302](/block/9233302) | yes |
| [0xb2faee4cbef8bc793bf4e23a8bf69af96cd27c1b8674c30d227ff4ad58a2544a](/coin/0xb2faee4cbef8bc793bf4e23a8bf69af96cd27c1b8674c30d227ff4ad58a2544a) | 0 XCH | [9233406](/block/9233406) | yes |
| [0x415c4f5fe84413ac1fe25ef81882d3f78219e0b0d9aec2f2526245af66afd8db](/coin/0x415c4f5fe84413ac1fe25ef81882d3f78219e0b0d9aec2f2526245af66afd8db) | 0 XCH | [9233414](/block/9233414) | yes |
| [0x21aeb80df20be7aed4e627c5f90eb54c1948d257c305bc407dc716737efde113](/coin/0x21aeb80df20be7aed4e627c5f90eb54c1948d257c305bc407dc716737efde113) | 0 XCH | [9233448](/block/9233448) | yes |
| [0x6a6cdb6eaae8d47f1c41acb34139d9a14f225f6d17a8ecb9fb39366c6de10514](/coin/0x6a6cdb6eaae8d47f1c41acb34139d9a14f225f6d17a8ecb9fb39366c6de10514) | 1.129133 XCH | [9233529](/block/9233529) | yes |
| [0x21b49355bbe6e47a3f1f70c563d082c81db3330b7598015c77bc42378badd15c](/coin/0x21b49355bbe6e47a3f1f70c563d082c81db3330b7598015c77bc42378badd15c) | 1.130983 XCH | [9233529](/block/9233529) | yes |
| [0x95e5ad8581190c9f4597ccd9aabe289a7b7670e18a897eb9863adec29359cb67](/coin/0x95e5ad8581190c9f4597ccd9aabe289a7b7670e18a897eb9863adec29359cb67) | 1.137498 XCH | [9233529](/block/9233529) | yes |
| [0x5c0c40064e92ce7ba309390b177613c5b0d582398fd402ad7eefa9a8077d3fbd](/coin/0x5c0c40064e92ce7ba309390b177613c5b0d582398fd402ad7eefa9a8077d3fbd) | 1.124424 XCH | [9233532](/block/9233532) | yes |
| [0xb24e79a4b3c9952d644243f2326544668fffc8199866c407a66f573e5fbec407](/coin/0xb24e79a4b3c9952d644243f2326544668fffc8199866c407a66f573e5fbec407) | 1.124913 XCH | [9233532](/block/9233532) | yes |
| [0x2ec719c4282985b3e85668b6e90a3efbda998883873f2db7b1bddfd52d05559c](/coin/0x2ec719c4282985b3e85668b6e90a3efbda998883873f2db7b1bddfd52d05559c) | 1.12726 XCH | [9233532](/block/9233532) | yes |
| [0xb7737a2eb4a81bbbc7e64b464d1bbc8e954d58d4c888a19b598487e2b159ff5c](/coin/0xb7737a2eb4a81bbbc7e64b464d1bbc8e954d58d4c888a19b598487e2b159ff5c) | 1.1244 XCH | [9233536](/block/9233536) | yes |
| [0x69465bbcb664a1940bc2fdab98e74e9d19cf7068835094c949f8d0d5f7899177](/coin/0x69465bbcb664a1940bc2fdab98e74e9d19cf7068835094c949f8d0d5f7899177) | 1.1244 XCH | [9233536](/block/9233536) | yes |
| [0xa17804b5c9758ced11077dd0aa40ba378cd6626f80ab835bcc341366ceb700a7](/coin/0xa17804b5c9758ced11077dd0aa40ba378cd6626f80ab835bcc341366ceb700a7) | 1.1244 XCH | [9233536](/block/9233536) | yes |
| [0xfd91ffac216d1b034c057138e9042e0fc340703c10f99075f14bbac17d45cb5f](/coin/0xfd91ffac216d1b034c057138e9042e0fc340703c10f99075f14bbac17d45cb5f) | 1.1244 XCH | [9233536](/block/9233536) | yes |
| [0x16cea9f094c967418adda5d619e593c73e11c8b340c52297193560e4d581f020](/coin/0x16cea9f094c967418adda5d619e593c73e11c8b340c52297193560e4d581f020) | 1.1244 XCH | [9233536](/block/9233536) | yes |
| [0xbeac3acc8c6c32efbb2fe47ff05d6eba02edfbd0a405ae3961b7ae3070bcc308](/coin/0xbeac3acc8c6c32efbb2fe47ff05d6eba02edfbd0a405ae3961b7ae3070bcc308) | 1.1244 XCH | [9233536](/block/9233536) | yes |
| [0xeb5f34b39f0c472f9d5e0162adfc72bd0b091d503afff940ca91201122f8517c](/coin/0xeb5f34b39f0c472f9d5e0162adfc72bd0b091d503afff940ca91201122f8517c) | 1.1244 XCH | [9233536](/block/9233536) | yes |
| [0x4c053b92989327d22e8c61aedd129b9eebf5d9f46986ae4f5d7afc6d85e11d39](/coin/0x4c053b92989327d22e8c61aedd129b9eebf5d9f46986ae4f5d7afc6d85e11d39) | 1.1244 XCH | [9233540](/block/9233540) | yes |
| [0x9fb93c996ea3959350d311aa740a629fca4090a1da8a3e79e6b2fadcff0525c4](/coin/0x9fb93c996ea3959350d311aa740a629fca4090a1da8a3e79e6b2fadcff0525c4) | 1.1244 XCH | [9233540](/block/9233540) | yes |
| [0x062d7142efb19a442c1a0a4192d75910dc4b94efcb9bf0da4aa2a57a1c378020](/coin/0x062d7142efb19a442c1a0a4192d75910dc4b94efcb9bf0da4aa2a57a1c378020) | 1.1244 XCH | [9233540](/block/9233540) | yes |
| [0xe4292fc3f8be9dd47ef7611695d58e2789e601ed3ff25e50b651a1479e87c222](/coin/0xe4292fc3f8be9dd47ef7611695d58e2789e601ed3ff25e50b651a1479e87c222) | 1.1244 XCH | [9233540](/block/9233540) | yes |

_… truncated_

Canonical: http://coinset.org/block/9233580