# on receiving block 905214 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2025-07-12T08:53:53Z # as written in the block header 2025-07-12T08:53:26Z $ uptime # since last reboot 08:53:53 up 159 days, 20:33, 0 users, load average: 0.45, 0.67, 0.91 $ battery.sh 142%, Power Supply Online $ uname -smnr Linux singer 6.6.37-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1591504 kB $ du -h -d1 .bitcoin/ 11.3G .bitcoin/indexes 2.8G .bitcoin/signet 3.8M .bitcoin/wallets 97.8G .bitcoin/blocks 10.8G .bitcoin/chainstate 122.7G .bitcoin/ $ df -h . Filesystem Size Used Available Use% Mounted on /dev/sda3 911.4G 840.5G 69.9G 92% / $ bitcoind -version Bitcoin Core daemon version v29.99.0-5f9c5597106e 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 905214 $ BH=$(bitcoin-cli getblockhash 905214); echo $BH 00000000000000000000bcb74a2b26bee5869ec19a0decff8c163afaca1946af $ bitcoin-cli getblockheader 00000000000000000000bcb74a2b26bee5869ec19a0decff8c163afaca1946af { "hash": "00000000000000000000bcb74a2b26bee5869ec19a0decff8c163afaca1946af", "confirmations": 1, "height": 905214, "version": 624738304, "versionHex": "253cc000", "merkleroot": "856753740bc790187c85abb686c3b923537cb2bec7a62fa61e37489505d60365", "time": 1752310406, "mediantime": 1752307553, "nonce": 1045328938, "bits": "17023aa6", "target": "000000000000000000023aa60000000000000000000000000000000000000000", "difficulty": 126271255279307, "chainwork": "0000000000000000000000000000000000000000d1a0316fff58fba31ac27763", "nTx": 4908, "previousblockhash": "000000000000000000001b77c1d0066754b9cc8a09107f7e3f66398be34c8948" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... .... .... .... .... bcb7 4a2b 26be e586 9ec1 9a.d ecff 8c16 3afa ca19 46af $ : 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 905214 sf: 9a.d 46af $ : 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 . 905214 sk: 46af a5 $ : 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 . 905214 ak: e7cd a5 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 28125, "bytes": 14790031, "usage": 83184528, "total_fee": 0.06358307, "maxmempool": 300000000, "mempoolminfee": 0.00000100, "minrelaytxfee": 0.00000100, "incrementalrelayfee": 0.00000100, "unbroadcastcount": 0, "fullrbf": true } $ gmm.sh 428 ## Current epoch estimation is +0.44% ## 30 of 2016, i.e. 1%, 1986 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 9.065692319999839e+20 $ bitcoin-cli getnetworkhashps 2016 905183 9.025885092859546e+20 $ bitcoin-cli getnetworkhashps 2016 903167 8.366861911869141e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 905214, "bestblock": "00000000000000000000bcb74a2b26bee5869ec19a0decff8c163afaca1946af", "txouts": 166893020, "bogosize": 13076997603, "muhash": "ec5ba310e07783ebab7bf4b02484f2222f3818fd03ba156dcbfce167f3331974", "total_amount": 19891075.82829193, "total_unspendable_amount": 221.04670807, "block_info": { "prevout_spent": 1082.62858906, "coinbase": 3.14094040, "new_outputs_ex_coinbase": 1082.61264866, "unspendable": 0.00000000, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00000000, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 905214 { "avgfee": 324, "avgfeerate": 1, "avgtxsize": 360, "blockhash": "00000000000000000000bcb74a2b26bee5869ec19a0decff8c163afaca1946af", "feerate_percentiles": [ 1, 1, 1, 1, 2 ], "height": 905214, "ins": 5388, "maxfee": 42600, "maxfeerate": 301, "maxtxsize": 15222, "medianfee": 230, "mediantime": 1752307553, "mediantxsize": 353, "minfee": 122, "minfeerate": 1, "mintxsize": 150, "outs": 13672, "subsidy": 312500000, "swtotal_size": 1758678, "swtotal_weight": 3942258, "swtxs": 4864, "time": 1752310406, "total_out": 108261264866, "total_size": 1771083, "total_weight": 3991878, "totalfee": 1594040, "txs": 4908, "utxo_increase": 8284, "utxo_size_inc": 579631, "utxo_increase_actual": 5002, "utxo_size_inc_actual": 387100 } $ bitcoin-cli getnettotals { "totalbytesrecv": 7512777532, "totalbytessent": 16577227964, "timemillis": 1752310433819, "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 v29.99.0-5f9c5597106e - server 70016/Satoshi:29.99.0/ ipv4 npr total block libre in 20 2 22 out 14 0 14 2 4 total 34 2 36 Local addresses: n/a $ bitcoin-cli -addrinfo { "addresses_known": { "ipv4": 61749, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 61749 } } $ halving.sh 905214 ===================================== Bitcoin Block Halving prediction ===================================== bc=905214 gbt=1231006505 bbt=1752310406 This is average time to mine a block (1752310406-1231006505)/905214 bts=575.8895963942267859016918 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Fri Mar 3 10:12:37 UTC 2028 ------------------------------------- Next palindrome will be 905509 predicted to happen at this time: Mon Jul 14 08:04:53 UTC 2025 ------------------------------------- Current mining epoch number is 449. The next fortnight happens in block 907200 and probably around this time: Fri Jul 25 14:35:22 UTC 2025 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 15 "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 728a54fb2bae1004 fb990c98e254b9065a14b849c71e63de92249e74b3e432589ae5dcb92352e38d b3ed804c370d40e7 a48bede8229790e6837a53a0c77257d4971a0afa377ceebe7db2742fb8dbc0b0 d47ff7e823c0fe98 5401cbf99e32046b2baad1de220f62450eee22064561908c4af977587d4bf1b4 53bb91ceec877d95 f10c2f050891aa1468f7884dd304809843cc837621e47425d8cb24e7354d2e44 807efab60edcf18e 561b262613400c60ba780a0e0ead671be7d829869d42072be96745284daa23a1 716217be0b59d813 1b135df1a1353f7a20f1f9ec28bbec8a477b96fc1ebb44da7eb60b09faf65475 9dd1dd68fb58b439 49ab9de4311bdcbdec5193c8f88563958f0e21406a86e40a51b3ec26ac8ade22 a6b9a6f6f661268a 38312b5d64b69979205b0ceebc4eed0119446194d842adae1f50b5591550c5c8 e7cf12860237795d ea464fdc33798343c911c76c650a42609a0e350722a6c4da0eeba9f5465801a1 d3ed3d5f3894922d abd8a2d6e74732d16a6d6348304243cf4e20cdfd9a901e01b9c929678a1d8c04 cdccaaae684107e3 8fdb9d44fa52d8eb882fae406397007828b0890a93bda13fdd316bbecee1d927 adfda1c1170c7d10 50372cd468353b145f40e6ef34ee026c8d65b28c4535480381b730a5cad98d5d e7bb3d482e5189fd 8f5937700d987aa9bd627206278a019a2eb22b652b20211ef0259bc90a77624c b84b0a562bc7fbfd 598d54b3ca073a2d26145bd86fd2ad09b7d26643fedc00aaa735ddd570dd002e f1e594abbd84af33 04ffc7a0c68f59877de8cdfe38d24ebc554a6869f44c7f24d1b7c19a434d3a7b $ niceblack.sh $BH $BC _ _ _ | | | | | | | | | | __ __ | | |/ \_|/ / \_/ |/_) \_/ |__/\__/ \___/| \_/ __ __ ____ __ , / | / \ | / )/|| | \_/|| ||___ / ||__|_ || | \ / | | | \__/ \___//___ | | ,----- .123 4567 89ab cdef -----, | | | .. .... .... .... .... .f | | 1. .... bcb7 4a2b 26be 1f | | 2. e586 9ec1 9a.d ecff 2f | | 3. 8c16 3afa ca19 46af 3f | '=== ==== ==== ==== ==== ===' ak: e7cd a5