# on receiving block 922720 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2025-11-08T10:32:33Z
# as written in the block header
2025-11-08T10:38:06Z
$ uptime # since last reboot
10:32:32 up 86 days, 20:23, 0 users, load average: 13.06, 4.10, 1.97
$ battery.sh
54%, Power Supply Online
$ uname -smnr
Linux singer 6.12.40-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2065248 kB
$ du -h -d1 .bitcoin/
1.5G .bitcoin/testnet4
11.7G .bitcoin/indexes
3.5G .bitcoin/signet
41.8M .bitcoin/wallets
97.7G .bitcoin/blocks
18.6M .bitcoin/regtest
11.0G .bitcoin/chainstate
125.6G .bitcoin/
$ df -h .
Filesystem Size Used Available Use% Mounted on
/dev/sda3 911.4G 831.2G 79.2G 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
922720
$ BH=$(bitcoin-cli getblockhash 922720); echo $BH
00000000000000000000df211cd4c4a1089cf8f33228e9d0756fda48d833c7e6
$ bitcoin-cli getblockheader 00000000000000000000df211cd4c4a1089cf8f33228e9d0756fda48d833c7e6
{
"hash": "00000000000000000000df211cd4c4a1089cf8f33228e9d0756fda48d833c7e6",
"confirmations": 1,
"height": 922720,
"version": 536928256,
"versionHex": "2000e000",
"merkleroot": "22a98c01a4a9c3e1a82350996cc41074f59104f9c1bec12c6cf4ac692e328a74",
"time": 1762598286,
"mediantime": 1762597307,
"nonce": 3234922821,
"bits": "1701cdfb",
"target": "00000000000000000001cdfb0000000000000000000000000000000000000000",
"difficulty": 155973032196071.9,
"chainwork": "0000000000000000000000000000000000000000f316a2cff48c46005ea2f5ea",
"nTx": 4870,
"previousblockhash": "0000000000000000000088941d9fae2a5fcea2cf10671be04b673df31d9296a2"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... .... ....
.... df21 1cd4 c4a1
.89c f8f3 3228 e9d.
756f da48 d833 c7e6
$ : 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
922720 sf: .89c e9d. c7e6
$ : 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 .
922720 sk: c7e6 95
$ : 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 .
922720 ak: 9c31 95
### niceblack moved to the end
$ bitcoin-cli getmempoolinfo
{
"loaded": true,
"size": 39639,
"bytes": 27521770,
"usage": 158761200,
"total_fee": 0.03215593,
"maxmempool": 300000000,
"mempoolminfee": 0.00000001,
"minrelaytxfee": 0.00000001,
"incrementalrelayfee": 0.00000001,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
115
## Current epoch estimation is -1.87%
## 1408 of 2016, i.e. 69%, 608 to go
## Current and previous two in numbers:
$ bitcoin-cli getnetworkhashps 2016
1.093144873336427e+21
$ bitcoin-cli getnetworkhashps 2016 921311
1.11405143592317e+21
$ bitcoin-cli getnetworkhashps 2016 919295
1.049978271078539e+21
$ bitcoin-cli gettxoutsetinfo muhash
{
"height": 922720,
"bestblock": "00000000000000000000df211cd4c4a1089cf8f33228e9d0756fda48d833c7e6",
"txouts": 166316317,
"bogosize": 13024523369,
"muhash": "723cad4532b572835b135f7767588c346bd0ac868d200ba79922c0384dbdf9ae",
"total_amount": 19945773.03882804,
"total_unspendable_amount": 230.08617196,
"block_info": {
"prevout_spent": 359.93347736,
"coinbase": 3.12832402,
"new_outputs_ex_coinbase": 359.93015334,
"unspendable": 0.00000000,
"unspendables": {
"genesis_block": 0.00000000,
"bip30": 0.00000000,
"scripts": 0.00000000,
"unclaimed_rewards": 0.00000000
}
}
}
$ bitcoin-cli getblockstats 922720
{
"avgfee": 68,
"avgfeerate": 0,
"avgtxsize": 354,
"blockhash": "00000000000000000000df211cd4c4a1089cf8f33228e9d0756fda48d833c7e6",
"feerate_percentiles": [
0,
0,
0,
0,
0
],
"height": 922720,
"ins": 7867,
"maxfee": 58158,
"maxfeerate": 22,
"maxtxsize": 29535,
"medianfee": 38,
"mediantime": 1762597307,
"mediantxsize": 369,
"minfee": 21,
"minfeerate": 0,
"mintxsize": 162,
"outs": 11276,
"subsidy": 312500000,
"swtotal_size": 1692580,
"swtotal_weight": 3859951,
"swtxs": 4857,
"time": 1762598286,
"total_out": 35993015334,
"total_size": 1725547,
"total_weight": 3991819,
"totalfee": 332402,
"txs": 4870,
"utxo_increase": 3409,
"utxo_size_inc": 235984,
"utxo_increase_actual": -1242,
"utxo_size_inc_actual": -90374
}
$ bitcoin-cli getnettotals
{
"totalbytesrecv": 3766677288,
"totalbytessent": 8454930583,
"timemillis": 1762597953997,
"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 26 2 28
out 14 0 14 2 4
total 40 2 42
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -addrinfo
{
"addresses_known": {
"ipv4": 66478,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 66478
}
}
$ halving.sh 922720
=====================================
Bitcoin Block Halving prediction
=====================================
bc=922720
gbt=1231006505
bbt=1762598286
This is average time to mine a block
(1762598286-1231006505)/922720
bts=576.1132357451494005230183
Now let's multiply that by 1050000
which is the block number of next
halving and get the prediction:
Mon Mar 6 03:26:18 UTC 2028
-------------------------------------
Next palindrome will be 923329
predicted to happen at this time:
Wed Nov 12 12:05:38 UTC 2025
-------------------------------------
Current mining epoch number is 457.
The next fortnight happens in block
923328 and probably around this time:
Wed Nov 12 11:56:02 UTC 2025
### v2_peerinfo are in v2_peerinfo-bitcoin.txt
$ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c
26 "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
e7bb3d482e5189fd
955fb5e6e10bb3947d8bd2b8014a3376babe396f5563d4c319a6491c38e3e6c4
2f483f8248b737c5
d2c0cff107fead4296eff1883c5a612e0222496dede97bc0c667bded713ee178
f8dce48b5e7634c5
69d7ebf212d01012746cb2a290a00e9744ff6db5ec110064dc269adfe825358d
fb325f96906155fb
f561478f5a32838ab7307eb5110e2452e296fbe577bd12735f7b169b74640bba
952c29ffb60124fb
606caffdc016b19b792a6c7a466befdbbd0fa31a1fd8ec9c48bcbd9ff7e5bc74
508e94c169890e79
e8d7f26807f1f27c403e326f514d7f5c58af94cc240250cc2a5a286fca4f8c5b
d1ef3f42d26f9e8e
82480e3fb040a4a9b3647ef069b27b1eb80bf077b93762cc0ca473e6dabafebc
6b034f7639f613b1
549e72e72cf1ae5c8426362b7a73d629e61e2f9072ed361253ffceb181a751d4
bc4b3537c8df833e
c66b919cc3641c6b8c55346565351953b0d26e2d0ef68399f691b73cc72c55f9
ed2be7ed22608f34
49e10caee6c03b0d6c159885894bf3f9c63b3d8539cf8d2281fda08ce212ae39
9d59d7498cd14c99
f0dc547025e78ea3649af4e653c4453ba8459c15911ae19d7c1dfa75fae47adf
386ac9fe60050383
6087ac07e87bf5f66ebd8c6000de179424f990af63fac60b8a3f8aec2f2a98cc
4dd16f0293b3de3d
2e96debb8594c2b401560d87b158bcc5a3f74c48259c51222020b42d1855c069
2f26602453c3e12f
0d96fdc1726020b3a156fbd1c35a57e02b58b9ccbba20651b3b3152c797e6460
fd27e0b12512e40c
440a8bf3a9563d7c1f2c75fe2d7d17a4eb96f836ad49081d56d7f79a296567ad
db589861052ca057
e16cb05c28207f990a481309f6dcec1759dc5cdb93a98cbed395833e152c74dc
adda9f608c16c5cc
9fb3f3ed0293f2550d21834f6369197f7a306a3daa106313138d73743a1b666e
36496f9de8ab0e02
3eb50fbda78140c76b48cb001d2d8db8252cfc53190cd81bb487908c68b1b6fb
f95c3da0e06bc714
19292fe892cda8a008415fe943736867c09eb2874686f65dea240983d99aeb52
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
___ ___ ___ ____ ___ __
/ _ \_ )_ )__ |_ ) \
\_, // / / / / / / / () |
/_//___/___|/_/ /___\__/
,----- .123 4567 89ab cdef -----,
| |
| .. .... .... .... .... .f |
| 1. .... df21 1cd4 c4a1 1f |
| 2. .89c f8f3 3228 e9d. 2f |
| 3. 756f da48 d833 c7e6 3f |
'=== ==== ==== ==== ==== ==='
ak: 9c31 95