# on receiving block 902906 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2025-06-27T05:44:57Z # as written in the block header 2025-06-27T05:43:41Z $ uptime # since last reboot 05:44:57 up 144 days, 17:24, 0 users, load average: 1.75, 1.71, 1.53 $ battery.sh 140%, Power Supply Online $ uname -smnr Linux singer 6.6.37-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1690064 kB $ du -h -d1 .bitcoin/ 11.3G .bitcoin/indexes 2.7G .bitcoin/signet 3.4M .bitcoin/wallets 97.7G .bitcoin/blocks 10.8G .bitcoin/chainstate 122.5G .bitcoin/ $ df -h . Filesystem Size Used Available Use% Mounted on /dev/sda3 911.4G 837.4G 73.1G 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 902906 $ BH=$(bitcoin-cli getblockhash 902906); echo $BH 00000000000000000001cb07ed17393ed899dbc6f685de962b5cdde55c85f523 $ bitcoin-cli getblockheader 00000000000000000001cb07ed17393ed899dbc6f685de962b5cdde55c85f523 { "hash": "00000000000000000001cb07ed17393ed899dbc6f685de962b5cdde55c85f523", "confirmations": 1, "height": 902906, "version": 554418176, "versionHex": "210bc000", "merkleroot": "53aaff61c48c4ef4f5029f8634b3edbb4c23d01028eef9c0b0b3323426372c93", "time": 1751003021, "mediantime": 1751000245, "nonce": 1667822688, "bits": "17023a04", "target": "000000000000000000023a040000000000000000000000000000000000000000", "difficulty": 126411437451912.2, "chainwork": "0000000000000000000000000000000000000000cdd75df209f85c2466a99a64", "nTx": 3345, "previousblockhash": "00000000000000000000f3b2a7a36d5dc9e7e9bd357ff55c2f8b4b56f64f4340" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... .... .... .... ...1 cb.7 ed17 393e d899 dbc6 f685 de96 2b5c dde5 5c85 f523 $ : 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 902906 sf: ...1 cb.7 f523 $ : 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 . 902906 sk: f523 a4 $ : 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 . 902906 ak: 6b7c a4 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 70719, "bytes": 24870209, "usage": 168490720, "total_fee": 0.15491785, "maxmempool": 300000000, "mempoolminfee": 0.00000100, "minrelaytxfee": 0.00000100, "incrementalrelayfee": 0.00000100, "unbroadcastcount": 0, "fullrbf": true } $ gmm.sh 622 ## Current epoch estimation is -6.45% ## 1754 of 2016, i.e. 87%, 262 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 8.462745015958822e+20 $ bitcoin-cli getnetworkhashps 2016 901151 9.04687914735697e+20 $ bitcoin-cli getnetworkhashps 2016 899135 9.088485232729964e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 902906, "bestblock": "00000000000000000001cb07ed17393ed899dbc6f685de962b5cdde55c85f523", "txouts": 168047184, "bogosize": 13165114870, "muhash": "1520628b6724d4e5ec7bcbbea8fcc2d2a93df48159fe537e601a4b59f7112760", "total_amount": 19883863.33110327, "total_unspendable_amount": 221.04389673, "block_info": { "prevout_spent": 3280.88276039, "coinbase": 3.15187032, "new_outputs_ex_coinbase": 3280.85589007, "unspendable": 0.00000000, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00000000, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 902906 { "avgfee": 803, "avgfeerate": 2, "avgtxsize": 485, "blockhash": "00000000000000000001cb07ed17393ed899dbc6f685de962b5cdde55c85f523", "feerate_percentiles": [ 1, 1, 2, 3, 4 ], "height": 902906, "ins": 7104, "maxfee": 148088, "maxfeerate": 302, "maxtxsize": 73791, "medianfee": 304, "mediantime": 1751000245, "mediantxsize": 354, "minfee": 100, "minfeerate": 1, "mintxsize": 150, "outs": 9434, "subsidy": 312500000, "swtotal_size": 1417479, "swtotal_weight": 3170877, "swtxs": 3203, "time": 1751003021, "total_out": 328085589007, "total_size": 1622681, "total_weight": 3991685, "totalfee": 2687032, "txs": 3345, "utxo_increase": 2330, "utxo_size_inc": 144841, "utxo_increase_actual": 744, "utxo_size_inc_actual": 51128 } $ bitcoin-cli getnettotals { "totalbytesrecv": 2103872768, "totalbytessent": 3564206195, "timemillis": 1751003098498, "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": 64327, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 64327 } } $ halving.sh 902906 ===================================== Bitcoin Block Halving prediction ===================================== bc=902906 gbt=1231006505 bbt=1751003021 This is average time to mine a block (1751003021-1231006505)/902906 bts=575.9137053982303825310912 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Fri Mar 3 17:14:31 UTC 2028 ------------------------------------- Next palindrome will be 903309 predicted to happen at this time: Sun Jun 29 22:11:54 UTC 2025 ------------------------------------- Current mining epoch number is 447. The next fortnight happens in block 903168 and probably around this time: Sat Jun 28 23:38:30 UTC 2025 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 14 "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 be6640a576d42893 5b9deb5314e75bfa81c787e29c24ac72e2df85af99aee43d3f1743ad1c03039f 933e18b8edbce05c fecba41847d88adca56e58a731ba07766cc635aeb2816b5de7a7e003361bb04d cc2f18a4bc431245 d223157daf147fc4d1ca2b9822ff0676dfe50e6ba943f041594bfb45708823c0 0cf28f8d33c10e9d 85ca64535ebdff3716be4f20aa11c1e88c0a691db110d21b799aa20aa24a00f7 952c29ffb60124fb 6fd28e9939a3b80afa2a9db0302df280fb551719dd093223f577196d1e57e362 74026556dec85b12 7bcf94d561e94ce637047658a07a8c0368c8fde60d8d4020b4930c5b31b07048 0e6c9b2cae4c6519 ac225a689bc6ce1945f5607ae028a51822fe249bc2f160b8f0b84e9c6b43c54d 070fa09d81bddbfc 96b3661ee28e2bfcf4ec993bb6e7895eb7d6f8bc65fb1c07138c04ba6bfc046b 23d7d434bb397eaf b5657ff5400643c40493f26e3da28b7f7645d8209747bbb3827f6e95d9f5fd64 a1299e79849a8cd5 cdfbc99c6bba94bb69e1e0929a3ef691870075a1f90540899141fb51b95703d2 96a5c538c60619ef fb505b2de4d09cc37175a91a2eafcfabb08283059b920621fd1b465087ebb0f5 1956ddc4d37429f5 e9e4809e3a3fbfc39672e2f8ff8d3a72484a701cb4207a793da246c6c5ee8a15 94b82b9c52a0aaad 353c85b578d827a352efb3bcef6b4e7a9e747961c089bd58081c8fe526c84a93 de88b0441f88698c 5e6ad533c2430e5569cb1a33a0d9caeef233ae9ea68d8e3f1f2bb7218c201b72 $ niceblack.sh $BH $BC ___ ___ ____ / _ \ / _ \___ \ | (_) | | | |__) | \__, | |_| / __/ /_/ \___/_____| ___ ___ __ / _ \ / _ \ / /_ | (_) | | | | '_ \ \__, | |_| | (_) | /_/ \___/ \___/ ,----- .123 4567 89ab cdef -----, | | | .. .... .... .... .... .f | | 1. ...1 cb.7 ed17 393e 1f | | 2. d899 dbc6 f685 de96 2f | | 3. 2b5c dde5 5c85 f523 3f | '=== ==== ==== ==== ==== ===' ak: 6b7c a4