5374
# on receiving block 923142 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2025-11-11T11:03:53Z
# as written in the block header
2025-11-11T11:03:43Z
$ uptime # since last reboot
11:03:52 up 89 days, 20:54, 0 users, load average: 0.65, 1.13, 1.36
$ battery.sh
56%, Power Supply Online
$ uname -smnr
Linux singer 6.12.40-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2026280 kB
$ du -h -d1 .bitcoin/
1.5G .bitcoin/testnet4
11.7G .bitcoin/indexes
3.6G .bitcoin/signet
41.8M .bitcoin/wallets
97.7G .bitcoin/blocks
18.6M .bitcoin/regtest
10.7G .bitcoin/chainstate
125.3G .bitcoin/
$ df -h .
Filesystem Size Used Available Use% Mounted on
/dev/sda3 911.4G 832.7G 77.7G 91% /
$ bitcoind -version
Bitcoin Core daemon version libre-relay-v30.0-1
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
923142
$ BH=$(bitcoin-cli getblockhash 923142); echo $BH
0000000000000000000195126276c6d8a4bb902dd04e7aa6233f8c2ce6cfeb5d
$ bitcoin-cli getblockheader 0000000000000000000195126276c6d8a4bb902dd04e7aa6233f8c2ce6cfeb5d
{
"hash": "0000000000000000000195126276c6d8a4bb902dd04e7aa6233f8c2ce6cfeb5d",
"confirmations": 1,
"height": 923142,
"version": 537346048,
"versionHex": "20074000",
"merkleroot": "30a494e05e7c9f8312771fb26b7df8795b79394de11687ecf3e712aa265196c3",
"time": 1762859023,
"mediantime": 1762855988,
"nonce": 1483204508,
"bits": "1701cdfb",
"target": "00000000000000000001cdfb0000000000000000000000000000000000000000",
"difficulty": 155973032196071.9,
"chainwork": "0000000000000000000000000000000000000000f4007b3b065480223edd58e6",
"nTx": 1068,
"previousblockhash": "000000000000000000000a502d4f04144c3d11a58b8641e6acc54aae98e0d6f5"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... .... ....
...1 9512 6276 c6d8
a4bb 9.2d d.4e 7aa6
233f 8c2c e6cf eb5d
$ : 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
923142 sf: ...1 9.2d d.4e eb5d
$ : 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 .
923142 sk: eb5d 94
$ : 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 .
923142 ak: .d42 94
### niceblack moved to the end
$ bitcoin-cli getmempoolinfo
{
"loaded": true,
"size": 37531,
"bytes": 28513876,
"usage": 162345744,
"total_fee": 0.03498359,
"maxmempool": 300000000,
"mempoolminfee": 0.00000001,
"minrelaytxfee": 0.00000001,
"incrementalrelayfee": 0.00000001,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
122
## Current epoch estimation is -1.94%
## 1830 of 2016, i.e. 90%, 186 to go
## Current and previous two in numbers:
$ bitcoin-cli getnetworkhashps 2016
1.092436867435031e+21
$ bitcoin-cli getnetworkhashps 2016 921311
1.11405143592317e+21
$ bitcoin-cli getnetworkhashps 2016 919295
1.049978271078539e+21
$ bitcoin-cli gettxoutsetinfo muhash
{
"height": 923142,
"bestblock": "0000000000000000000195126276c6d8a4bb902dd04e7aa6233f8c2ce6cfeb5d",
"txouts": 166445938,
"bogosize": 13033588334,
"muhash": "4562c3c46fe8976510dea461057527cf3760b1fed1309f57d1286b47b11805ee",
"total_amount": 19947091.78874703,
"total_unspendable_amount": 230.08625297,
"block_info": {
"prevout_spent": 1620.90916484,
"coinbase": 3.13810322,
"new_outputs_ex_coinbase": 1620.89606162,
"unspendable": 0.00000000,
"unspendables": {
"genesis_block": 0.00000000,
"bip30": 0.00000000,
"scripts": 0.00000000,
"unclaimed_rewards": 0.00000000
}
}
}
$ bitcoin-cli getblockstats 923142
{
"avgfee": 1228,
"avgfeerate": 2,
"avgtxsize": 785,
"blockhash": "0000000000000000000195126276c6d8a4bb902dd04e7aa6233f8c2ce6cfeb5d",
"feerate_percentiles": [
1,
1,
2,
2,
4
],
"height": 923142,
"ins": 4959,
"maxfee": 134728,
"maxfeerate": 401,
"maxtxsize": 146554,
"medianfee": 313,
"mediantime": 1762855988,
"mediantxsize": 225,
"minfee": 100,
"minfeerate": 1,
"mintxsize": 150,
"outs": 2438,
"subsidy": 312500000,
"swtotal_size": 753721,
"swtotal_weight": 1587208,
"swtxs": 985,
"time": 1762859023,
"total_out": 162089606162,
"total_size": 838053,
"total_weight": 1924536,
"totalfee": 1310322,
"txs": 1068,
"utxo_increase": -2521,
"utxo_size_inc": -181160,
"utxo_increase_actual": -2570,
"utxo_size_inc_actual": -185269
}
$ bitcoin-cli getnettotals
{
"totalbytesrecv": 5399263869,
"totalbytessent": 13232899554,
"timemillis": 1762859033501,
"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 libre-relay-v30.0-1 - server 70016/Satoshi:30.0.0/
ipv4 npr total block libre
in 38 2 40
out 14 0 14 2 4
total 52 2 54
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -addrinfo
{
"addresses_known": {
"ipv4": 67308,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 67308
}
}
$ halving.sh 923142
=====================================
Bitcoin Block Halving prediction
=====================================
bc=923142
gbt=1231006505
bbt=1762859023
This is average time to mine a block
(1762859023-1231006505)/923142
bts=576.1323196947818485326758
Now let's multiply that by 1050000
which is the block number of next
halving and get the prediction:
Mon Mar 6 09:00:16 UTC 2028
-------------------------------------
Next palindrome will be 923329
predicted to happen at this time:
Wed Nov 12 16:59:19 UTC 2025
-------------------------------------
Current mining epoch number is 457.
The next fortnight happens in block
923328 and probably around this time:
Wed Nov 12 16:49:43 UTC 2025
### v2_peerinfo are in v2_peerinfo-bitcoin.txt
$ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c
35 "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
aadd5da680e7089e
23317222ae516873a503abcf485422e9d6b1e7bf865825debd584c5332d58189
54340b8f4c9ff9df
06140c3c512d242bb90ee9ec7d1d8632c6d357b4b355da389e44bb05c51a4b47
d998bebe6df9999e
073aae35ef865975fc3d033f0a74e09294cce851538fe1ddd7215dcf2c9eeea9
f673b39e6f930954
e28801b591b423ab25416ea8f46c944f8f2953ab5294a69a19fcba2b03235d48
34ed7affa12ff08c
851bd454e53dd07159a9ef6768e7b8cd95b1bc3c648feee0201abd542f1e4f6c
49e713f75f958e6d
4b1df37732987d75a2391a078ec54ee793e78760733dd9764b06eb46cf660fb9
7715c559f3e6ba8a
d4f45d92c678deaab9dcc70badc6229fc1791614e7467ea3fc028d6c90521744
2f483f8248b737c5
d2c0cff107fead4296eff1883c5a612e0222496dede97bc0c667bded713ee178
f8dce48b5e7634c5
69d7ebf212d01012746cb2a290a00e9744ff6db5ec110064dc269adfe825358d
fb325f96906155fb
f561478f5a32838ab7307eb5110e2452e296fbe577bd12735f7b169b74640bba
952c29ffb60124fb
606caffdc016b19b792a6c7a466befdbbd0fa31a1fd8ec9c48bcbd9ff7e5bc74
508e94c169890e79
e8d7f26807f1f27c403e326f514d7f5c58af94cc240250cc2a5a286fca4f8c5b
d1ef3f42d26f9e8e
82480e3fb040a4a9b3647ef069b27b1eb80bf077b93762cc0ca473e6dabafebc
bc4b3537c8df833e
c66b919cc3641c6b8c55346565351953b0d26e2d0ef68399f691b73cc72c55f9
db589861052ca057
e16cb05c28207f990a481309f6dcec1759dc5cdb93a98cbed395833e152c74dc
f95c3da0e06bc714
19292fe892cda8a008415fe943736867c09eb2874686f65dea240983d99aeb52
e46f044eb556eaa8
3153d585d605443be77e4a2f3140e8f40b9ef722bd81e375f19e3c4232a2de6a
179a91cd079d4652
43985e50de839d5e9d5a82d8275e38efed8d41674d1018716da0812e4a42016d
9fe583bbea09f4dc
852fdb14de734ed887c1d258387dbfd6c3e212ad10319e84b027700199a2d2d1
787f131138d2fab4
2689435bbe1defdea94f501add46876b59a2663ed10a94720954fabbd65cb858
2b90f49d8374922e
04bb9fe42cb3416d77fe09013f97441159292ed32f6dd92e46f2dde27558c3d0
b84b0a562bc7fbfd
8938af3540c9b324b08d6fa44582660eba09508858d428efd523f809d1caf1f0
cabe82f6523ae20a
4c1245b64b13ef2c3caaa7c48557bfc93a9192332b2822486b3d5b1401464a57
cae30e364f7c3034
2cdefc005c26e1e721800d85a0a5511138bc685cd0ff103d07e079140a2e024c
08626a537a7ee798
b7ddb2039496dd17f17a31547a1cae3ed09b9f6424e68c849213f7b2927fa027
0417cbf840d94b6f
6a37fb65c6536254de6014c622c0879068e4856de9b29bd57a5272106a187dc0
bd4cd4aa34380a79
2f95fb4dfa3713c385887edd877ebff7c04154711b9df1e1bd5d3aee61674a8e
d00be30f2bdd891f
f8e56e57e04a9ae6dfc06dded96b4daa81efdc6261da75466008d85afcf01939
dc98bbd869293e15
deca36411e668dcfd7556637daaf61213bc3e85e086fd871d53efcfb2a976cd5
f9d6b8c63eeb5bcd
4a791b9932c6a8700fd1fc23a3d52903f39fd54c9098b6f3dae2ad6b9252a02e
6ee4adf4d9118e1d
e878ba97f5cd71d95a3eab399da49f862871fe3430bc9b18a3fa68304824dcbc
5cbc85d3b529c848
523b991a61089453af981fc7a133378f108c9854628b409b3ab7385646131869
7aaac29898b7010d
1140c53bb8b039465835a6fc01145978f0b2edaa721184c38ce4d9cc99a90b6d
c05280db94deec87
cf1e18f315c9aa7a6aaff7c8a05b624b54dda95df64ba687f4331e0616c9fb7f
55f0d92b65803be1
d58a2506307ba300152713fed3de37af5c7607737e4a0b35e44e4a8af187ac24
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
__ __ ___ , __
/ |/ )/ \/|| |/ )
\_/| / __/ ||__|_ /
| / \ | | /
|/___\___/ | |/___
,----- .123 4567 89ab cdef -----,
| |
| .. .... .... .... .... .f |
| 1. ...1 9512 6276 c6d8 1f |
| 2. a4bb 9.2d d.4e 7aa6 2f |
| 3. 233f 8c2c e6cf eb5d 3f |
'=== ==== ==== ==== ==== ==='
ak: .d42 94