# on receiving block 291788 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-02-16T13:44:53Z
# as written in the block header
2026-02-16T13:44:45Z
$ uptime # since last reboot
13:44:53 up 20 days, 1:10, 0 users, load average: 0.91, 0.83, 1.00
$ battery.sh
92%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2376028 kB
$ du -h -d1 .bitcoin/signet
271M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
555M .bitcoin/signet/blocks
3.4G .bitcoin/signet/chainstate
4.2G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 434G 477G 48% /
$ bitcoind -version
Bitcoin Core daemon version v30.2.0 bitcoind
Copyright (C) 2009-2026 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
291788
$ BH=$(bitcoin-cli -signet getblockhash 291788); echo $BH
0000000d4ff3307275d01c16e7b0a833dddfdb5b36e0e72ad3ddb6099a34d50f
$ bitcoin-cli -signet getblockheader 0000000d4ff3307275d01c16e7b0a833dddfdb5b36e0e72ad3ddb6099a34d50f
{
"hash": "0000000d4ff3307275d01c16e7b0a833dddfdb5b36e0e72ad3ddb6099a34d50f",
"confirmations": 1,
"height": 291788,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "61bc9f4c717a6b48b2e946d52f23f8034bd2a09cbaaf85df5f825328cade3005",
"time": 1771249485,
"mediantime": 1771245592,
"nonce": 51478775,
"bits": "1d14fd7a",
"target": "00000014fd7a0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04764068304243208,
"chainwork": "00000000000000000000000000000000000000000000000000000b044c441845",
"nTx": 63,
"previousblockhash": "000000117c5f3ecf634b7d17498ec1fa86b02f3b305a54285c97e5b6eb4f2ee8"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...d 4ff3 3.72
75d. 1c16 e7b. a833
dddf db5b 36e. e72a
d3dd b6.9 9a34 d5.f
$ : 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
291788 sf: ...d 3.72 75d. e7b. M
$ : 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 .
291788 sk: d5.f 81
$ : 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 .
291788 ak: a468 81
### 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
534
## Current epoch estimation is -1.68%
## 1484 of 2016, i.e. 73%, 532 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
334847.5022336814
$ bitcoin-cli -signet getnetworkhashps 2016 290303
340597.2606954165
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getblockstats 291788
{
"avgfee": 15633,
"avgfeerate": 19,
"avgtxsize": 918,
"blockhash": "0000000d4ff3307275d01c16e7b0a833dddfdb5b36e0e72ad3ddb6099a34d50f",
"feerate_percentiles": [
2,
23,
23,
23,
23
],
"height": 291788,
"ins": 69,
"maxfee": 952085,
"maxfeerate": 23,
"maxtxsize": 39746,
"medianfee": 342,
"mediantime": 1771245592,
"mediantxsize": 205,
"minfee": 110,
"minfeerate": 0,
"mintxsize": 162,
"outs": 1237,
"subsidy": 2500000000,
"swtotal_size": 56970,
"swtotal_weight": 198747,
"swtxs": 62,
"time": 1771249485,
"total_out": 3303579331125,
"total_size": 56970,
"total_weight": 198747,
"totalfee": 969265,
"txs": 63,
"utxo_increase": 1168,
"utxo_size_inc": 88984,
"utxo_increase_actual": 1142,
"utxo_size_inc_actual": 87070
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 57613914,
"totalbytessent": 3284895694,
"timemillis": 1771249494215,
"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 v30.2.0 signet - server 70016/Satoshi:30.2.0/
ipv4 total block manual
in 3 3
out 11 11 2 1
total 14 14
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1844,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1844
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
11 "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
7b4566df59a7b36f
1f53f4da0fb6f6792a7b4c126cdb40f57afd0f8bab6a84e7e563406197fd21e3
82b27e77426c9cf3
29f999aff97bcf1c08201599ae0c42e2e0cde384004f77d57da1360f95ec9d8b
c0528ddd9e8cb6fc
d670503109b043a832159bd1d981a0b81bc4ab7ca5bc488d61893772b14f12ab
e55aabeb2f397365
e61a3aa3d9f5eac7fa725a68b5a628ca06e8987961479f0b798b3c386f09fe75
d26dc11e642083e6
673e9ac31551a91a6cb0c5b736b55945891e6c598ec6db3f218dfee90b3bf97b
949e0d5f8f18cf24
e5b9b26e68e64565acbd785b1c2adc1b8211e16e215ee5ff1211f26da3c80166
dabe0a47278fc3f8
c96854e489e59aa6702a2870a2a9eb2de10a6a8f8585dc8fa122264d23201328
32ea89cfd41c3905
29fbcf2c518c55713fb2650af3c7c6145a17f677b343d1b63f81f2a891061d6d
989773dc541b27e7
189b95228629eb6e233e47536ca04f9ae8bd49c438ae1762c2526c453ee8ab8f
e2a9870787741c29
cade6f34001d9d3d213cc5203d98088cff2db57e5f0a2c407efc989f48078136
c05e5152a3110e52
3c1e044df9aee63ecf726dbc427aeebee597cbc5ff5e8f6c16d07e380c3cce3e
$ niceblack.sh $BH $BC
____ ___ _ _____ ___ ___
|___ \ / _ \/ | |___ ( _ ) ( _ )
__) | (_) | | / // _ \ / _ \
/ __/ \__, | | / /| (_) | (_) |
|_____| /_/|_| /_/ \___/ \___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...d 4ff3 3.72 .f |
| 1. 75d. 1c16 e7b. a833 1f |
| 2. dddf db5b 36e. e72a 2f |
| 3. d3dd b6.9 9a34 d5.f 3f |
'=== ==== ==== ==== ==== ==='
ak: a468 81