# on receiving block 890015 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2025-03-29T20:04:17Z # as written in the block header 2025-03-29T20:04:02Z $ uptime # since last reboot 20:04:17 up 55 days, 7:44, 0 users, load average: 2.16, 2.87, 2.05 $ battery.sh 100%, Power Supply Online $ uname -smnr Linux singer 6.6.37-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 2065436 kB $ du -h -d1 .bitcoin/ 11.0G .bitcoin/indexes 1.5G .bitcoin/signet 3.3M .bitcoin/wallets 97.7G .bitcoin/blocks 11.3G .bitcoin/chainstate 121.6G .bitcoin/ $ df -h . Filesystem Size Used Available Use% Mounted on /dev/sda3 911.4G 829.0G 81.5G 91% / $ bitcoind -version Bitcoin Core daemon version v29.0rc2 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 890015 $ BH=$(bitcoin-cli getblockhash 890015); echo $BH 0000000000000000000267c89fddcab9ad52cccadce9ac89445449b2f32111d2 $ bitcoin-cli getblockheader 0000000000000000000267c89fddcab9ad52cccadce9ac89445449b2f32111d2 { "hash": "0000000000000000000267c89fddcab9ad52cccadce9ac89445449b2f32111d2", "confirmations": 1, "height": 890015, "version": 570425344, "versionHex": "22000000", "merkleroot": "cf5f753fba24234f7cd321ab8bcf69d7568be5ffa63fb84f554a1f7099074267", "time": 1743278642, "mediantime": 1743276356, "nonce": 3263617731, "bits": "1702796c", "target": "00000000000000000002796c0000000000000000000000000000000000000000", "difficulty": 113757508810854, "chainwork": "0000000000000000000000000000000000000000b7f5708544c5854c08025ce0", "nTx": 1503, "previousblockhash": "00000000000000000002641e41fadb38465ba30aebd0ca539d313f82c6a14782" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... .... .... .... ...2 67c8 9fdd cab9 ad52 ccca dce9 ac89 4454 49b2 f321 11d2 $ : 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 890015 sf: ...2 11d2 $ : 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 . 890015 sk: 11d2 b4 $ : 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 . 890015 ak: cc43 b4 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 2007, "bytes": 21107665, "usage": 116112080, "total_fee": 0.21149013, "maxmempool": 300000000, "mempoolminfee": 0.00001000, "minrelaytxfee": 0.00001000, "incrementalrelayfee": 0.00001000, "unbroadcastcount": 0, "fullrbf": true } $ gmm.sh 1001 ## Current epoch estimation is +1.83% ## 959 of 2016, i.e. 47%, 1057 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 8.287219501133158e+20 $ bitcoin-cli getnetworkhashps 2016 889055 8.137723199414077e+20 $ bitcoin-cli getnetworkhashps 2016 887039 8.027983237538049e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 890015, "bestblock": "0000000000000000000267c89fddcab9ad52cccadce9ac89445449b2f32111d2", "txouts": 173862590, "bogosize": 13593909070, "muhash": "5170caee92b6bfaedc1619f50cf89aa9ce5c4abd043975c0670377e457163212", "total_amount": 19843579.05673961, "total_unspendable_amount": 220.94326039, "block_info": { "prevout_spent": 4643.30349667, "coinbase": 3.14651150, "new_outputs_ex_coinbase": 4643.28198517, "unspendable": 0.00000000, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00000000, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 890015 { "avgfee": 1432, "avgfeerate": 2, "avgtxsize": 1119, "blockhash": "0000000000000000000267c89fddcab9ad52cccadce9ac89445449b2f32111d2", "feerate_percentiles": [ 1, 1, 1, 2, 4 ], "height": 890015, "ins": 11698, "maxfee": 87001, "maxfeerate": 120, "maxtxsize": 160343, "medianfee": 450, "mediantime": 1743276356, "mediantxsize": 246, "minfee": 121, "minfeerate": 1, "mintxsize": 150, "outs": 3897, "subsidy": 312500000, "swtotal_size": 1487076, "swtotal_weight": 3212439, "swtxs": 1370, "time": 1743278642, "total_out": 464328198517, "total_size": 1681862, "total_weight": 3991583, "totalfee": 2151150, "txs": 1503, "utxo_increase": -7801, "utxo_size_inc": -633591, "utxo_increase_actual": -7827, "utxo_size_inc_actual": -636195 } $ bitcoin-cli getnettotals { "totalbytesrecv": 2811244231, "totalbytessent": 5674013732, "timemillis": 1743278657826, "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 v29.0rc2 - server 70016/Satoshi:29.0.0/ ipv4 npr total block manual in 34 1 35 out 11 0 11 2 1 total 45 1 46 Local addresses: n/a $ bitcoin-cli -addrinfo { "addresses_known": { "ipv4": 60643, "ipv6": 3, "onion": 0, "i2p": 0, "cjdns": 0, "total": 60646 } } $ halving.sh 890015 ===================================== Bitcoin Block Halving prediction ===================================== bc=890015 gbt=1231006505 bbt=1743278642 This is average time to mine a block (1743278642-1231006505)/890015 bts=575.5763233469960090605112 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Mon Feb 28 14:50:20 UTC 2028 ------------------------------------- Next palindrome will be 890098 predicted to happen at this time: Sun Mar 30 09:20:14 UTC 2025 ------------------------------------- Current mining epoch number is 441. The next fortnight happens in block 891072 and probably around this time: Sat Apr 5 21:03:46 UTC 2025 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 9 "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 6fc956b6f25824bd 3bc6afdc1025e2842d8e3ad6eab92cb4e6e38312182c4c007d3400f8e17e7af2 ba5d1c85adc9358e 5fb19e6f926c81dcf44d70dbce409e2bee821041c73d1d0da3b23142808e451b fe0f501d350b6599 77e31a42f2ab6993cd1c8ff4b848ce23f3e08a2ae1cb197dea525eebe405ad68 56c71123744a41c1 e43b6cb96b7bace4097c05693eafd1f5008cdb656bdc756881adc91b81b4a220 487aef95a6565dfe 4979e631f661e15504386b56fb3dae2dabb892e9a6ffd1f2e2cd2993be2c0c34 e792346f41e8d737 daec44129f4c5c91f0e2ff92eafffd3130386609370e5f4aedbe9f6a10e18075 52db280f6f71d760 95b02b704d9bba64ede1a5e6677d4a5c9e8fd4d83ba18f7bed2577bc64554e46 7614c968f106a939 6473fd4899c7ee27aa529567adb0243bb1cada0dd17059228f7b8810f05fe919 dc41b5614875a6af d24727124027f3d952abe4ec936e0ee1dd3efb0146bfdfcc91fea7387587f99b $ niceblack.sh $BH $BC | | | _ \ | _ \ _| | / _.__/_|\___/\__|_\_\ _ ) _ \ \ \_ | __| _ \\_ /( |( | |__ \ \___/ _/\__/\__/ _|___/ ,----- .123 4567 89ab cdef -----, | | | .. .... .... .... .... .f | | 1. ...2 67c8 9fdd cab9 1f | | 2. ad52 ccca dce9 ac89 2f | | 3. 4454 49b2 f321 11d2 3f | '=== ==== ==== ==== ==== ===' ak: cc43 b4