# on receiving block 288943 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-01-27T18:12:53Z
# as written in the block header
2026-01-27T18:12:50Z
$ uptime # since last reboot
18:12:52 up 5:38, 0 users, load average: 1.98, 2.74, 2.23
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1942856 kB
$ du -h -d1 .bitcoin/signet
265M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
567M .bitcoin/signet/blocks
3.3G .bitcoin/signet/chainstate
4.1G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 835G 76G 92% /
$ bitcoind -version
Bitcoin Core daemon version v30.1.0 bitcoind
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 -signet getblockcount); echo $BC
288943
$ BH=$(bitcoin-cli -signet getblockhash 288943); echo $BH
0000000e63ce596760fc557701db6d3dc7af79af29248278d62beb39db78f682
$ bitcoin-cli -signet getblockheader 0000000e63ce596760fc557701db6d3dc7af79af29248278d62beb39db78f682
{
"hash": "0000000e63ce596760fc557701db6d3dc7af79af29248278d62beb39db78f682",
"confirmations": 1,
"height": 288943,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "ff4d0fc0155b0c660db3a6e38dca573be44deab9eebc4535f060ae8f425f46cc",
"time": 1769537570,
"mediantime": 1769534201,
"nonce": 2459569,
"bits": "1d157c9b",
"target": "000000157c9b0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04653962099342757,
"chainwork": "00000000000000000000000000000000000000000000000000000a7e416d0ca0",
"nTx": 29,
"previousblockhash": "000000036e9ac4a6dede5c2531f4b3870a2b482d6d1f24c373d2fa933072006a"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...e 63ce 5967
6.fc 5577 .1db 6d3d
c7af 79af 2924 8278
d62b eb39 db78 f682
$ : 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
288943 sf: ...e 6.fc .1db f682
$ : 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 .
288943 sk: f682 c1
$ : 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 .
288943 ak: 667e c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 0,
"bytes": 0,
"usage": 64,
"total_fee": 0.00000000,
"maxmempool": 100000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
110
## Current epoch estimation is +1.88%
## 655 of 2016, i.e. 32%, 1361 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
339296.4413203938
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getnetworkhashps 2016 286271
335362.2796681721
$ bitcoin-cli -signet getblockstats 288943
{
"avgfee": 3170,
"avgfeerate": 10,
"avgtxsize": 373,
"blockhash": "0000000e63ce596760fc557701db6d3dc7af79af29248278d62beb39db78f682",
"feerate_percentiles": [
2,
2,
2,
2,
2
],
"height": 288943,
"ins": 28,
"maxfee": 34200,
"maxfeerate": 200,
"maxtxsize": 4766,
"medianfee": 345,
"mediantime": 1769534201,
"mediantxsize": 188,
"minfee": 243,
"minfeerate": 1,
"mintxsize": 188,
"outs": 198,
"subsidy": 2500000000,
"swtotal_size": 10468,
"swtotal_weight": 34327,
"swtxs": 28,
"time": 1769537570,
"total_out": 2633945911516,
"total_size": 10468,
"total_weight": 34327,
"totalfee": 88779,
"txs": 29,
"utxo_increase": 170,
"utxo_size_inc": 12462,
"utxo_increase_actual": 144,
"utxo_size_inc_actual": 10596
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 3145862,
"totalbytessent": 112502862,
"timemillis": 1769537574018,
"uploadtarget": {
"timeframe": 86400,
"target": 0,
"target_reached": false,
"serve_historical_blocks": true,
"bytes_left_in_cycle": 0,
"time_left_in_cycle": 0
}
}
$ bitcoin-cli -signet -netinfo
Bitcoin Core client v30.1.0 signet - server 70016/Satoshi:30.1.0/
ipv4 total block manual
in 2 2
out 11 11 2 1
total 13 13
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1399,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1399
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
8 "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
82b27e77426c9cf3
b1549a58235dba4ece2520070dc15ee0db1d73b958c88edcdaf64807a27ab35d
2422645f1d448cf3
5511cc8957118bd0bdc4ea2ef3aa206424ea17721cdb1c7e5b3df203d8f6cde0
df20edf7a92caa16
528743940927beb5c5dacb5042d714ee483a50702960aaf866a17dbd3e61cecf
989773dc541b27e7
42248f84ba5929f398b200bf811aa72ff8c31f6d10d5949cbcb3aba8dce4081e
acbcec5aeca1972b
2ebd03f0b229b44fe1c9d32310526dd510ec26392d549e4cf3edef59463c76a3
4645feb2cf906cd2
71c64468fb4d1f144d64899f4e56fef43461d1f27a76edee368b2bb9c4e48dbc
00542cf8910da25f
dc98ca8bbf8fd45040c056a027f8bd40095d9e9fc30d09255dbef6cc988a2bb1
60c8637347b32362
6693d8149f7c11579a7efa0ca1c9d545b7b88e77c19044af785126bd309c9faa
$ niceblack.sh $BH $BC
__ __ __
/ / / /__ ____/ /__
/ _ \/ / _ \/ __/ '_/
/_.__/_/\___/\__/_/\_\
___ ___ ___ ___ ____ ____
|_ |( _ )( _ ) _ \/ / /|_ /
/ __// _ / _ \_, /_ _//_ <
/____/\___/\___/___/ /_//____/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...e 63ce 5967 .f |
| 1. 6.fc 5577 .1db 6d3d 1f |
| 2. c7af 79af 2924 8278 2f |
| 3. d62b eb39 db78 f682 3f |
'=== ==== ==== ==== ==== ==='
ak: 667e c1