# on receiving block 880286 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2025-01-22T01:41:58Z # as written in the block header 2025-01-22T01:41:52Z $ uptime # since last reboot 01:41:58 up 170 days, 18:59, 0 users, load average: 0.40, 0.68, 0.59 $ battery.sh 66%, Power Supply Online $ uname -smnr Linux singer 6.6.37-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1070480 kB $ du -h -d1 .bitcoin/ 5.2G .bitcoin/testnet4 10.8G .bitcoin/indexes 6.9G .bitcoin/signet 41.3M .bitcoin/wallets 97.7G .bitcoin/blocks 11.8G .bitcoin/chainstate 15.1G .bitcoin/testnet3 147.7G .bitcoin/ $ df -h . Filesystem Size Used Available Use% Mounted on /dev/sda3 911.4G 842.4G 68.0G 93% / $ bitcoind -version Bitcoin Core version v28.1.0 Copyright (C) 2009-2024 The Bitcoin Core developers Please contribute if you find Bitcoin Core useful. Visit for further information about the software. The source code is available from . This is experimental software. Distributed under the MIT software license, see the accompanying file COPYING or $ BC=$(bitcoin-cli getblockcount); echo $BC 880286 $ BH=$(bitcoin-cli getblockhash 880286); echo $BH 00000000000000000001e6ab9d309783b87180db5daa30bb2c474ce076be51e8 $ bitcoin-cli getblockheader $BH { "hash": "0000000000000000000177e5df18154411cf2f9ea4fa4e3f7fbbed9b6fc75e0d", "confirmations": 1, "height": 855601, "version": 537083904, "versionHex": "20034000", "merkleroot": "1f3f3c3fc7b44de7c79df750712a334ea83dbb10dd47c57a789d6dd049b432c8", "time": 1722919934, "mediantime": 1722917249, "nonce": 2205577874, "bits": "17031abe", "difficulty": 90666502495565.78, "chainwork": "0000000000000000000000000000000000000000876c314d1b2244b4226cab8c", "nTx": 1, "previousblockhash": "00000000000000000001187df2cd86998c727058ce11aa92b2fc97abb7816728" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... .... .... .... ...1 e6ab 9d3. 9783 b871 8.db 5daa 3.bb 2c47 4ce. 76be 51e8 $ : Following was the shortform $ : from which shortkode came $ last=${BH: -4} $ a=$(echo $BH | cut -b-60 \ | fold -w 4 \ | grep -Ev '^(0000|[^0]{4})$') $ R=$(echo $a $last | cut -b-20) $ printf "%s sf: " $BC $ { echo $R | grep "$last$" \ || echo $R M; } | tr "0\n" ". " echo 880286 sf: ...1 9d3. 8.db 3.bb M $ : Following is the shortkode $ last=${BH#${BH%????}} $ nz=$(echo $BH | fold -w 4 \ | grep -cE '^[^0]{4}$') $ z=$(echo $BH | fold -w 4 \ | grep -c '^0000$') $ printf "%s sk: " $BC $ printf "%s %x" $last \ $(((${nz}<<4)+${z})) \ | tr "0\n" ". "; echo 880286 sk: 51e8 74 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 117088, "bytes": 56285487, "usage": 327990384, "total_fee": 0.61144768, "maxmempool": 500000000, "mempoolminfee": 0.00001000, "minrelaytxfee": 0.00001000, "incrementalrelayfee": 0.00001000, "unbroadcastcount": 0, "fullrbf": true } $ gmm.sh 1086 ## Current epoch estimation is -1.09% ## 1310 of 2016, i.e. 64%, 706 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 7.81583049497215e+20 $ bitcoin-cli getnetworkhashps 2016 878975 7.90127532166539e+20 $ bitcoin-cli getnetworkhashps 2016 876959 7.852896071346759e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 880286, "bestblock": "00000000000000000001e6ab9d309783b87180db5daa30bb2c474ce076be51e8", "txouts": 184594878, "bogosize": 14352613432, "muhash": "92ea5e2de1c6bcdc71312c48c658e3a4ff60cd6322f73d239fe0955a456387af", "total_amount": 19813176.29062079, "total_unspendable_amount": 220.58437921, "block_info": { "prevout_spent": 4622.41485155, "coinbase": 3.16921110, "new_outputs_ex_coinbase": 4622.37064045, "unspendable": 0.00000000, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00000000, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 880286 { "avgfee": 1643, "avgfeerate": 4, "avgtxsize": 840, "blockhash": "00000000000000000001e6ab9d309783b87180db5daa30bb2c474ce076be51e8", "feerate_percentiles": [ 3, 3, 3, 4, 6 ], "height": 880286, "ins": 4885, "maxfee": 235110, "maxfeerate": 292, "maxtxsize": 274618, "medianfee": 715, "mediantime": 1737506796, "mediantxsize": 320, "minfee": 164, "minfeerate": 1, "mintxsize": 150, "outs": 7658, "subsidy": 312500000, "swtotal_size": 2199517, "swtotal_weight": 3750826, "swtxs": 2555, "time": 1737510112, "total_out": 462237064045, "total_size": 2259758, "total_weight": 3991790, "totalfee": 4421110, "txs": 2691, "utxo_increase": 2773, "utxo_size_inc": 225134, "utxo_increase_actual": 2718, "utxo_size_inc_actual": 220331 } $ bitcoin-cli getnettotals { "totalbytesrecv": 12187213500, "totalbytessent": 31624468802, "timemillis": 1737510119429, "uploadtarget": { "timeframe": 86400, "target": 0, "target_reached": false, "serve_historical_blocks": true, "bytes_left_in_cycle": 0, "time_left_in_cycle": 0 } } $ bitcoin-cli -netinfo Bitcoin Core client v28.1.0 - server 70016/Satoshi:28.1.0/ ipv4 npr total block manual in 112 2 114 out 11 0 11 2 1 total 123 2 125 Local addresses: n/a $ bitcoin-cli -addrinfo { "addresses_known": { "ipv4": 67557, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 67557 } } $ halving.sh 880286 ===================================== Bitcoin Block Halving prediction ===================================== bc=880286 gbt=1231006505 bbt=1737510112 This is average time to mine a block (1737510112-1231006505)/880286 bts=575.3846268319309497925108 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Sat Feb 26 06:55:38 UTC 2028 ------------------------------------- Next palindrome will be 881188 predicted to happen at this time: Tue Jan 28 01:51:48 UTC 2025 ------------------------------------- Current mining epoch number is 436. The next fortnight happens in block 880992 and probably around this time: Sun Jan 26 18:32:13 UTC 2025 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 55 "transport_protocol_type": "v2", $ bitcoin-cli getpeerinfo \ | jq -r '.[] | select ( .transport_protocol_type == "v2" ) | .addr + " " + .session_id' \ | while read addr sid do a=$(echo ${addr%\]*} | tr -d '\[' | md5sum | cut -b-16); printf "%s\n\t%s\n" "$a" "$sid" done 7da7f839a3628416 7d6b3c71a989ef8d897e5115869d7dc9171ed2b7a3b56732678a3de2f39199b0 f6aef4cc5ba22e29 2d6242689a6f513238dda6765b40c491ca3c492c51586fb1ef00c90304263710 0d302427d25c0c4a f4504263f5f0b6f6194afa0448f0af90b5bc2d94b8c407650aa22a14f443c101 7b28bb4aa5386be1 9684d64f1026859a7836bec685473499cb48346b6522750149997c9598aafb00 48ba6234bb5f3a05 b465ba49e60e15cdfe30e30b77fae47b96f4a8d07b24e8b58d49383b3f675349 c4c17524953086ac f6cd57d6e5c0e0b71a1aa024e8c5491a3325d64e197c9c99dc350dae853387fd dde560c8585ac22f 2f7448ea03bddb386847015518fab846f01e05c7e19144da58ed202832867c1a ec4ff9747ac80ddc 1029d953f513e9e2b6cb481c52e59db88e71226968a527c6aae88421225d57f4 6a4c7213799ef5af de30c99871038355f6d6299fe34d63b600a28f0695acd8c7117242b4f8f29844 30fe31b47bca9c4c 66988e7aa0ec0359e099478dde0960901250f494f262e1b4e0d0f9cb97172384 2646aae5835220f0 ae02f151ca35f28a6a86176e45f9dd5c9caa93c25b21b880312f638b50e0b468 9d9742a752812a73 581cf3f779d43ce03272db60c189442d40c0c67d8dc00f7ed8b9adc760595b9b 7a6c245f3f0814e1 84eab6bd1dcd7bff8199cadc83df1d0f742614a719e39c53a01c841b506020aa 85c2cb21d93adc53 307f0dd9f99ff5df154bbb0d645464a1c6763c697c231b1d275204af74040050 d57e048460ba654c e8d97e7cbfae613a558ca837ab35da3b0f1b60cbcd7afcd718919e9e195a8211 4fe247284eeb5b6a 2296362dd6e540647bd1b1b08fe60480cf5e2c82562ab56212f8b9c7f4e2a985 b76ad86b772e0e33 0b1f218ed292e4a2589ef87f4dfbcb4d8bb585184352c68946f257912f806e52 9f116132a7f58554 d5cd87f0fed44cb6713676876575ecf5610b6d9986804a44925a5ac28c2da66b ae64cddd6338f9ad ac9152a293dfce1f04940c95c426392ae301a6152a1f98be6d30b0c71b6558a8 72a39744db78c698 20e755081e5f09ad1a2e4dc075f42942a3f2f297851528e9edb2ca0aca09f4da 8a9e41d6d7ebd69f c06c053cb725d5a5f5e96e6f2067dd0d92a7d67650867c99406ffb5aaa447976 baf2a7d48d701f8c e399b0a7de5ffebae3d60a6708cd816b452c27cd7f0eb86ecb4bab545b5646b6 a28305b950b05e58 cb0ce3a2ed669617ad3b01781a041f6649834b37221d4f76d33c805f7b458e62 388ec2b48a0be0c0 3b200a64f4cd1e9f6d7b6ad9cebb344a8e2c65935c6d3372e472dd5dc3c7b76d cfb536abe12ec7ee 26aabb05dc8c122418878dfd69394a57cd500c2d574bd0c67c5d2c4d7ee203aa 8f52e591f121704e c5a63cbbbe0fa0b1838c0acf53d4128b7103123e696163aaafc117a3c4b93df5 02169ffa93c54120 0ffa92e1d37a9801e0fef97727eb2860fec3652ac6ed2a7592a1385c613e17af c7223a2b6dff0df1 c36c5ee8a019a5e62d23fec9fa6806045c09aadf37e528f885b9a238c372fd86 19cf8a7c25f47b89 4e36b8836433eb86fd92aec9757e09a1ccb256ef0daecc73e0246e508c2ca302 bb54dcbf34222fda b86a590a74194fdf5b8fd6108b44845bfde1db4f83c4138f9d16e576ae89cbf9 45cca02e94fbd7e9 7d3a4d3d03ff548d577f89d38c47c617da0a9e0456c85b540e62c13f1ba67956 ba23c361b31f5be6 0ea92d8f86d6aa00c931cf4954c414d936342d93c866776e4937a1554bb0ecf5 985037e33e74ae4b c4ec034b4ea5cdc541850f2e9c4d78ccc95bab434d41113e5f3749938a1d6e66 5ea52316390d6355 dc977e4c0322c3d284e61224a7184361d7ed08b283ba919354e404d5cab52232 00fc4830b1597d7e c3b8e282fcc7db3cbe1d3c9e7f29ca806b289f9b1a8873e71aa362f717794fc8 1cb25534d2cb6837 2abf349d3173cf5ca006669911c56c5edb6a6fb925d770333dc86df29d66b81f 2d18169ce8fe9ef2 acd02127594f57740f7246004668a8ee78dabc6403182ee7daa2bcd8a94ada17 49af6b4e23269767 0b8c5d8faa16ceaeb36a045ae45d4584f0f8ee227e15c06e95a97a548a079498 d4c82005fb1afb45 deaf538a6a7a014af6f6eeeb86b5c155d0515c3f5c0a90eacdd5ec8318da9faf 27013ce6a2ae580d 1f79f7bf91e00133b856897ba80486743ce9cf835bf159a6b5857e4872eceb6e 22e8c4b055952ddc 15dd291cf1da96b945cb75128f837ac1f5be8bf4a4b021fbaaaa7155d9ce64d7 1978d73869cff164 51a1bf6b0adaaee357851aea92ca1791e79702a7030f2a9bbe18bfeb28421ef0 b64f51875f11a0d6 413e96548bc56b441e7d1465f27e8d878354a805c7b23ca1820c897bb32bdeef 3c65c55b8e0d88e1 9a04d5d264bb1c5ca72d6693428e38afbbea68721a168467207e78dc87ead5e1 2f903d73a238153e c0c863af3db0dc62c9ae9e6343abe1420fe7a164d2ff0735df84dbb78fc700a9 d28d48f972432e09 ff6a41bd031a8e4558633e7226b6bf8cd2ccfc8e04cf55994a8205644f14fb05 d52d8d80904552c0 46b5c4fc49fd2a807415e769aa68b30cf6f5454dccc6545480631b525ab38a1d b299724699f4069f 7d37847dd20e2ca9e1925238116dceda4a07efba1e29a6e6fc6b17031e4b9799 e53408a124edb354 959ca65686bb43ff7998e57d659d6e1aa9fc5313e0c0a20b54caa895883c26dc a972623cfb6fc0eb 9f83c9d6ccae75721d143933b0a1bf6928a90319de75df20d1bd460c302aefb9 d4df3893ee3a80ad 43fbd51f17d358d850d8a640a0f48f8faab9be2888bbe2cac31333125ee43ba0 84de00e279949e12 55b5c5cb2e9d8b438d79774fbe4423f0ee8f7bae430b504a698f0eadaf98f5e1 e5e8bdefd4237e83 fc158c1f47943b5916915fb8c260c8375f6e87ff5b104a932e59cc40733251f6 bd9f80a8b84b9ec2 4e71935f5e08dc2ccb3f863fd35f47e75c4c6df0776e3072844ec2117a9cb2c5 73c8eaadee275a17 67e5c3d0fe061c74b6a45492373f36f532814177084b7b3dae341ab7af49e483 $ niceblack.sh $BH $BC | | | _ \ | _ \ _| | / _.__/_|\___/\__|_\_\ _ ) _ ) \_ ) _ ) / _ \ _ \ ( | / _ \ _ \ \___/\___/\__/___|\___/\___/ ,--- .123 4567 89ab cdef ---, | .. .... .... .... .... .f | | 1. ...1 e6ab 9d3. 9783 1f | | 2. b871 8.db 5daa 3.bb 2f | | 3. 2c47 4ce. 76be 51e8 3f | '=== ==== ==== ==== ==== ===' sk: 51e8 74