# on receiving block 880661 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2025-01-24T17:43:12Z # as written in the block header 2025-01-24T17:42:29Z $ uptime # since last reboot 17:43:12 up 173 days, 11:00, 0 users, load average: 1.49, 1.21, 1.08 $ battery.sh 68%, Power Supply Online $ uname -smnr Linux singer 6.6.37-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1104664 kB $ du -h -d1 .bitcoin/ 5.5G .bitcoin/testnet4 10.9G .bitcoin/indexes 7.1G .bitcoin/signet 41.6M .bitcoin/wallets 97.6G .bitcoin/blocks 11.8G .bitcoin/chainstate 15.1G .bitcoin/testnet3 148.2G .bitcoin/ $ df -h . Filesystem Size Used Available Use% Mounted on /dev/sda3 911.4G 842.9G 67.5G 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 880661 $ BH=$(bitcoin-cli getblockhash 880661); echo $BH 000000000000000000011994807e005946b05e877c11cf4876080bbcf3b44f9b $ 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 1994 8.7e ..59 46b. 5e87 7c11 cf48 76.8 .bbc f3b4 4f9b $ : 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 880661 sf: ...1 8.7e ..59 46b. 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 880661 sk: 4f9b 64 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 51281, "bytes": 39452273, "usage": 211631248, "total_fee": 0.41605791, "maxmempool": 500000000, "mempoolminfee": 0.00001000, "minrelaytxfee": 0.00001000, "incrementalrelayfee": 0.00001000, "unbroadcastcount": 0, "fullrbf": true } $ gmm.sh 1053 ## Current epoch estimation is -0.78% ## 1685 of 2016, i.e. 83%, 331 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 7.840333175420115e+20 $ bitcoin-cli getnetworkhashps 2016 878975 7.90127532166539e+20 $ bitcoin-cli getnetworkhashps 2016 876959 7.852896071346759e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 880661, "bestblock": "000000000000000000011994807e005946b05e877c11cf4876080bbcf3b44f9b", "txouts": 184095786, "bogosize": 14317019534, "muhash": "382d28517a84e31047afbbad97491fdb6cb5a81b2307be3945f4bd5b824b02aa", "total_amount": 19814348.13788792, "total_unspendable_amount": 220.61211208, "block_info": { "prevout_spent": 372.08287798, "coinbase": 3.14515795, "new_outputs_ex_coinbase": 372.06272003, "unspendable": 0.00000000, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00000000, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 880661 { "avgfee": 924, "avgfeerate": 2, "avgtxsize": 705, "blockhash": "000000000000000000011994807e005946b05e877c11cf4876080bbcf3b44f9b", "feerate_percentiles": [ 1, 1, 2, 2, 2 ], "height": 880661, "ins": 7995, "maxfee": 163134, "maxfeerate": 54, "maxtxsize": 107076, "medianfee": 302, "mediantime": 1737737452, "mediantxsize": 261, "minfee": 139, "minfeerate": 1, "mintxsize": 150, "outs": 4758, "subsidy": 312500000, "swtotal_size": 1421129, "swtotal_weight": 3527138, "swtxs": 2115, "time": 1737740549, "total_out": 37206272003, "total_size": 1537315, "total_weight": 3991882, "totalfee": 2015795, "txs": 2181, "utxo_increase": -3237, "utxo_size_inc": -256381, "utxo_increase_actual": -3580, "utxo_size_inc_actual": -277286 } $ bitcoin-cli getnettotals { "totalbytesrecv": 15347921038, "totalbytessent": 39848033162, "timemillis": 1737740593190, "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 111 2 113 out 11 0 11 2 1 total 122 2 124 Local addresses: n/a $ bitcoin-cli -addrinfo { "addresses_known": { "ipv4": 68208, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 68208 } } $ halving.sh 880661 ===================================== Bitcoin Block Halving prediction ===================================== bc=880661 gbt=1231006505 bbt=1737740549 This is average time to mine a block (1737740549-1231006505)/880661 bts=575.4012822172411208840622 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Sat Feb 26 11:47:06 UTC 2028 ------------------------------------- Next palindrome will be 881188 predicted to happen at this time: Tue Jan 28 05:56:25 UTC 2025 ------------------------------------- Current mining epoch number is 436. The next fortnight happens in block 880992 and probably around this time: Sun Jan 26 22:36:46 UTC 2025 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 57 "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 dde560c8585ac22f 2f7448ea03bddb386847015518fab846f01e05c7e19144da58ed202832867c1a ec4ff9747ac80ddc 1029d953f513e9e2b6cb481c52e59db88e71226968a527c6aae88421225d57f4 6a4c7213799ef5af de30c99871038355f6d6299fe34d63b600a28f0695acd8c7117242b4f8f29844 30fe31b47bca9c4c 66988e7aa0ec0359e099478dde0960901250f494f262e1b4e0d0f9cb97172384 2646aae5835220f0 ae02f151ca35f28a6a86176e45f9dd5c9caa93c25b21b880312f638b50e0b468 9d9742a752812a73 581cf3f779d43ce03272db60c189442d40c0c67d8dc00f7ed8b9adc760595b9b 7a6c245f3f0814e1 84eab6bd1dcd7bff8199cadc83df1d0f742614a719e39c53a01c841b506020aa d57e048460ba654c e8d97e7cbfae613a558ca837ab35da3b0f1b60cbcd7afcd718919e9e195a8211 4fe247284eeb5b6a 2296362dd6e540647bd1b1b08fe60480cf5e2c82562ab56212f8b9c7f4e2a985 b76ad86b772e0e33 0b1f218ed292e4a2589ef87f4dfbcb4d8bb585184352c68946f257912f806e52 9f116132a7f58554 d5cd87f0fed44cb6713676876575ecf5610b6d9986804a44925a5ac28c2da66b ae64cddd6338f9ad ac9152a293dfce1f04940c95c426392ae301a6152a1f98be6d30b0c71b6558a8 72a39744db78c698 20e755081e5f09ad1a2e4dc075f42942a3f2f297851528e9edb2ca0aca09f4da 8a9e41d6d7ebd69f c06c053cb725d5a5f5e96e6f2067dd0d92a7d67650867c99406ffb5aaa447976 a28305b950b05e58 cb0ce3a2ed669617ad3b01781a041f6649834b37221d4f76d33c805f7b458e62 388ec2b48a0be0c0 3b200a64f4cd1e9f6d7b6ad9cebb344a8e2c65935c6d3372e472dd5dc3c7b76d cfb536abe12ec7ee 26aabb05dc8c122418878dfd69394a57cd500c2d574bd0c67c5d2c4d7ee203aa c7223a2b6dff0df1 c36c5ee8a019a5e62d23fec9fa6806045c09aadf37e528f885b9a238c372fd86 bb54dcbf34222fda b86a590a74194fdf5b8fd6108b44845bfde1db4f83c4138f9d16e576ae89cbf9 45cca02e94fbd7e9 7d3a4d3d03ff548d577f89d38c47c617da0a9e0456c85b540e62c13f1ba67956 ba23c361b31f5be6 0ea92d8f86d6aa00c931cf4954c414d936342d93c866776e4937a1554bb0ecf5 985037e33e74ae4b c4ec034b4ea5cdc541850f2e9c4d78ccc95bab434d41113e5f3749938a1d6e66 00fc4830b1597d7e c3b8e282fcc7db3cbe1d3c9e7f29ca806b289f9b1a8873e71aa362f717794fc8 2d18169ce8fe9ef2 acd02127594f57740f7246004668a8ee78dabc6403182ee7daa2bcd8a94ada17 49af6b4e23269767 0b8c5d8faa16ceaeb36a045ae45d4584f0f8ee227e15c06e95a97a548a079498 27013ce6a2ae580d 1f79f7bf91e00133b856897ba80486743ce9cf835bf159a6b5857e4872eceb6e b64f51875f11a0d6 413e96548bc56b441e7d1465f27e8d878354a805c7b23ca1820c897bb32bdeef a972623cfb6fc0eb 9f83c9d6ccae75721d143933b0a1bf6928a90319de75df20d1bd460c302aefb9 e5e8bdefd4237e83 fc158c1f47943b5916915fb8c260c8375f6e87ff5b104a932e59cc40733251f6 8829830864823fb1 1aeea18c05cab7575cc810ddd36656fd701cbf6cc6b5a62a08fd7fef1f67f1be 296a0162fc981291 50462e6ef2e8d35524e1721e577b061f2ee9d3344005a32214c89c5cb5a63434 1a48875dcce5f12f e42be6e04c7e8ca2e9ccfa54f3daa6f4504855561c5b10fd6eb5591aa541c99c a192f713d26f3efd b080de8d8c20aa3b0d951d8d976e4ac13513bcce15e31c1800e8fdf8355487ae f5ce49a19f671de1 0da493f3673b4489db42b5efcf69a0a4e68abece29d439ddf5c61cc98c7de155 d2a55f11379a79d3 b4e26bddaf00edc75d6fad63dfc55a3aa5e0c0c55fcefe986410674e15947e0a f7519adad1597dbc d1681a5b753067d2766fca70f41ea9586521549ebb73005bd1fac1708af8fc09 e302274d13101a11 af7a2406172159d24d82d4749b73c55ef645bff5866d3a66b3c294c6441b9f24 f59d9f25e0871f5e 5d79a914aaef8aa72f5acb80c10a884aab9ba66e131307eb37656a638ff1037e 6414f48bb7ed34c8 20b7dfbcb89b31c7bdb3e9124b9d9f01f98e5351b4b6c3b28781dcf75c7856e5 0e4a5b0d64bb0ffd 1cf999a19811a050cb6dd2e6c6238e0363cb6045e6fabc1e788ff909bebf06a1 22c46b29d82d004a 6a66b4b0aed96bd7cf18c2f0ee7d954255581ef88147d05317c43052ddcbe1f2 c762d1e4f287757f 1c683438fc551c28706d0a3bfd59897935074b460198c08c53fcb400dbd75c73 c7b5d599df052697 9bff8bac5979532721f517c15adbf0925fb1ba5f3dbb14305ac8e311f02ab7cc 9479dd6cdb22bbe2 c65a7bd6d3dd1377a6ddcdb3e0c34e1fe39aaf6fbbc5068d3d86e90e5ca986ce 99941a222e889360 8df3a61d0f77e0e609025367c71c3cdea00124336cfb097a79dc40f5ae40204b f0d30cf554618fb4 83205dd58e5ab0cd1412719834b5abdbf7e3850ef71afbd9d9f90c24bcdc6604 90357e71660ba25e 6fbfe030ad53df710cc9bba4365d7a9d61996d338b88e8e3a35ba99acbf690fc 277ce4682d9f6bf3 497be9f3de3a8dc794f197705b79b30c61b008c037dc0eadde0d07ee6711497e b2d354c207cb2d86 fcd28e56e3cce1faed8c82fd12f4897af73f9a3ab08953c602e0285048a38f5a 958c796428d43d88 63ec784b964b8e66b753aee7d5c703210fb582c773c25d3eeed565574f659a8d 346d975a6b94659e 1c788c241e4357ae3096f76369552f126023e5774f0616d6e374733cbb143ec2 26fc34c8b892bac4 9b06e40681aab081f24dc42fc4d269501f9fed472dc332321423067207fa0d81 $ niceblack.sh $BH $BC _|_| _|_| _| _| _| _| _| _| _| _|_| _|_| _| _| _| _| _| _| _| _| _|_| _|_| _| _|_|_| _|_|_| _| _| _| _|_| _|_|_| _|_|_| _| _| _| _| _| _| _|_| _|_| _| ,--- .123 4567 89ab cdef ---, | .. .... .... .... .... .f | | 1. ...1 1994 8.7e ..59 1f | | 2. 46b. 5e87 7c11 cf48 2f | | 3. 76.8 .bbc f3b4 4f9b 3f | '=== ==== ==== ==== ==== ===' sk: 4f9b 64