# on receiving block 899307 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2025-06-01T02:31:03Z # as written in the block header 2025-06-01T02:30:43Z $ uptime # since last reboot 02:31:02 up 118 days, 14:10, 0 users, load average: 1.35, 1.35, 1.45 $ battery.sh 128%, Power Supply Online $ uname -smnr Linux singer 6.6.37-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 2091336 kB $ du -h -d1 .bitcoin/ 11.2G .bitcoin/indexes 2.3G .bitcoin/signet 3.4M .bitcoin/wallets 97.7G .bitcoin/blocks 11.0G .bitcoin/chainstate 122.2G .bitcoin/ $ df -h . Filesystem Size Used Available Use% Mounted on /dev/sda3 911.4G 836.8G 73.7G 92% / $ bitcoind -version Bitcoin Core daemon version v29.99.0-4aa77b063d78 Copyright (C) 2009-2025 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 899307 $ BH=$(bitcoin-cli getblockhash 899307); echo $BH 00000000000000000000fdad711528d9334d7a138ef007cf85318ed18b16f60a $ bitcoin-cli getblockheader 00000000000000000000fdad711528d9334d7a138ef007cf85318ed18b16f60a { "hash": "00000000000000000000fdad711528d9334d7a138ef007cf85318ed18b16f60a", "confirmations": 1, "height": 899307, "version": 1044488192, "versionHex": "3e41a000", "merkleroot": "d804350514fba3340295520a15d5552ef5e9a89b89236132240a07092076c12f", "time": 1748745043, "mediantime": 1748742160, "nonce": 1400748782, "bits": "17023774", "target": "0000000000000000000237740000000000000000000000000000000000000000", "difficulty": 126982285146989.3, "chainwork": "0000000000000000000000000000000000000000c783474bf99ba88eda1f7690", "nTx": 1867, "previousblockhash": "00000000000000000001a9e8f27f5bd14ba45d0eed1baaf20d12f019ecbfc1b6" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... .... .... .... .... fdad 7115 28d9 334d 7a13 8ef. .7cf 8531 8ed1 8b16 f6.a $ : 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 899307 sf: 8ef. .7cf f6.a $ : Following was the shortkode $ : from which anecdote came $ nz=$(echo $BH | fold -w 4 \ | grep -cE '^[^0]{4}$') $ z=$(echo $BH | fold -w 4 \ | grep -c '^0000$') $ nzzs=$(((${nz}<<4)+${z})) $ printf "%s sk: " $BC $ printf "%s %x\n" \ $last \ $nzzs \ | tr 0 . 899307 sk: f6.a 85 $ : Following is an anecdote $ all=$(echo $BH | fold -w 4 \ | sed 's/^/0x/' \ | paste -s | tr '\t' ^) $ printf "%s ak: " $BC $ printf "%04x %02x\n" \ $(($all)) $nzzs \ | tr 0 . 899307 ak: 12fc 85 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 1220, "bytes": 271685, "usage": 1953792, "total_fee": 0.00304478, "maxmempool": 300000000, "mempoolminfee": 0.00001000, "minrelaytxfee": 0.00001000, "incrementalrelayfee": 0.00001000, "unbroadcastcount": 0, "fullrbf": true } $ gmm.sh 1680 ## Current epoch estimation is +1.05% ## 171 of 2016, i.e. 8%, 1845 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 9.184701882780828e+20 $ bitcoin-cli getnetworkhashps 2016 899135 9.088485232729964e+20 $ bitcoin-cli getnetworkhashps 2016 897119 8.704557915859883e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 899307, "bestblock": "00000000000000000000fdad711528d9334d7a138ef007cf85318ed18b16f60a", "txouts": 170360837, "bogosize": 13338870625, "muhash": "0aa1a5ce367bb9054de753ae36c9bbc5c2b80df1d1b98a463914fdfaf38ac6e2", "total_amount": 19872616.46829111, "total_unspendable_amount": 221.03170889, "block_info": { "prevout_spent": 1513.70886499, "coinbase": 3.14338076, "new_outputs_ex_coinbase": 1513.69048423, "unspendable": 0.00000000, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00000000, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 899307 { "avgfee": 985, "avgfeerate": 1, "avgtxsize": 786, "blockhash": "00000000000000000000fdad711528d9334d7a138ef007cf85318ed18b16f60a", "feerate_percentiles": [ 1, 1, 1, 1, 2 ], "height": 899307, "ins": 7532, "maxfee": 184540, "maxfeerate": 44, "maxtxsize": 103878, "medianfee": 193, "mediantime": 1748742160, "mediantxsize": 279, "minfee": 99, "minfeerate": 1, "mintxsize": 150, "outs": 5617, "subsidy": 312500000, "swtotal_size": 1057608, "swtotal_weight": 2353050, "swtxs": 1695, "time": 1748745043, "total_out": 151369048423, "total_size": 1467274, "total_weight": 3991714, "totalfee": 1838076, "txs": 1867, "utxo_increase": -1915, "utxo_size_inc": -139669, "utxo_increase_actual": -2119, "utxo_size_inc_actual": -157853 } $ bitcoin-cli getnettotals { "totalbytesrecv": 558128322, "totalbytessent": 1317816676, "timemillis": 1748745063794, "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 v29.99.0-4aa77b063d78 - server 70016/Satoshi:29.99.0/ ipv4 npr total block libre in 29 2 31 out 14 0 14 2 4 total 43 2 45 Local addresses: n/a $ bitcoin-cli -addrinfo { "addresses_known": { "ipv4": 63958, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 63958 } } $ halving.sh 899307 ===================================== Bitcoin Block Halving prediction ===================================== bc=899307 gbt=1231006505 bbt=1748745043 This is average time to mine a block (1748745043-1231006505)/899307 bts=575.7076974740578311323817 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Wed Mar 1 05:09:23 UTC 2028 ------------------------------------- Next palindrome will be 899998 predicted to happen at this time: Thu Jun 5 17:00:57 UTC 2025 ------------------------------------- Current mining epoch number is 446. The next fortnight happens in block 901152 and probably around this time: Fri Jun 13 09:33:43 UTC 2025 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 16 "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 f434f53bbc97875e 659c0675cef9dd658d59ead92b4df28d729922790fec61eaf3a88b7b3f2663de 70158b33b7ddf3b9 92a2ee5c1492800254ff0b7f3738dcd1cd3ac21ed757332a71c2969c73909e88 4738b86e54173777 3a636e7b610b421ef222a7dc0b07d48a7f42790ebef1c6d003c2a9227a124118 01692a7361046481 05297b792a93e436cecd7573bd4e682830a1e2eb5a19c559b6cdec8984c9c27f 15dfcd14a75f3609 ade06116067b483afa1b32e0661b700a4860f81d62be16d8c1b170f3e11d2ea2 9c9f8cfddcb0fe01 08b40819a2bc345dbd26e061030997f79aa8a443fad602c93fc9056d1d0efcb8 00f9a8da0c53a59c 801974c7d81eb2ba286229a523ae44090cd4521fa70ba90ea152ccd440546ded 4796a1843c952ec8 25a5f84a883412c881b015efda06283129123a21235bb68f8ba56e7f40046659 efaba2c4e221e9ac f36c10c776fe68b5342862d20db4ca673acdd3288d727efbaca258c5b4c8ec97 b22fbb9c9c315d8a ffa43fd71d9f23757608a2a280e53a071ef137930526c1a05c6d3d16e63ffb6c 952c29ffb60124fb 73a1d877dcacf44e18b4eab0e9587390bd703725fdc37ad4dda75855fd165ff1 fc059551f94473d1 73620774059922d864794e4b1ff0581fbdc8c49c6d08fc34e94b23ac92e4c6d7 e7bb3d482e5189fd f53ef8280a73f24f7ee8de5e02c8015875d4fd99c3abf17ee02a29da354bf84d 5edd4df6e5dd001e 0cd443debbfaf00fe4f4937adc383f660aba0ae5cbd1fb7d0536cd5aa0fc14ed 1fead371afb10a8c 4608ba5e5ef6b7fe85255c5f227d5205dc38484af5bdada981dd8c6ae43d68d4 74026556dec85b12 e2faaae1fd891c05786fc92eddec87122f8938c47a68d1863dfa9d2a07a87548 $ niceblack.sh $BH $BC ##### ##### ##### # # # # # # ##### ###### ###### # # # # # # # # # # ##### ##### ##### ##### ### ####### # # # # # # # # # # ##### # # # # # # # # # # # # ##### ### # ,----- .123 4567 89ab cdef -----, | | | .. .... .... .... .... .f | | 1. .... fdad 7115 28d9 1f | | 2. 334d 7a13 8ef. .7cf 2f | | 3. 8531 8ed1 8b16 f6.a 3f | '=== ==== ==== ==== ==== ===' ak: 12fc 85