# on receiving block 291142 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-02-11T23:56:51Z
# as written in the block header
2026-02-11T23:56:01Z
$ uptime # since last reboot
23:56:51 up 15 days, 11:22, 0 users, load average: 0.67, 0.77, 1.14
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2111548 kB
$ du -h -d1 .bitcoin/signet
270M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
521M .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 478G 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
291142
$ BH=$(bitcoin-cli -signet getblockhash 291142); echo $BH
00000011d9a1b204bd8c56f737a9c2f6e5c87a58a7bddeefbbf4b634e485d339
$ bitcoin-cli -signet getblockheader 00000011d9a1b204bd8c56f737a9c2f6e5c87a58a7bddeefbbf4b634e485d339
{
"hash": "00000011d9a1b204bd8c56f737a9c2f6e5c87a58a7bddeefbbf4b634e485d339",
"confirmations": 1,
"height": 291142,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "a4c18fb3ad13df08e2f9a4cbe17778055005798f600cd4cbff2266f3fa33100a",
"time": 1770854161,
"mediantime": 1770851901,
"nonce": 348285998,
"bits": "1d14fd7a",
"target": "00000014fd7a0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04764068304243208,
"chainwork": "00000000000000000000000000000000000000000000000000000ae585852c6f",
"nTx": 29,
"previousblockhash": "00000003d5d97c23bf23197ffa62aedc9c083112245f01de279ff951560a09cd"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..11 d9a1 b2.4
bd8c 56f7 37a9 c2f6
e5c8 7a58 a7bd deef
bbf4 b634 e485 d339
$ : 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
291142 sf: ..11 b2.4 d339
$ : 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 .
291142 sk: d339 d1
$ : 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 .
291142 ak: a92e d1
### 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
165
## Current epoch estimation is -1.4%
## 838 of 2016, i.e. 41%, 1178 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
335816.4092131909
$ bitcoin-cli -signet getnetworkhashps 2016 290303
340597.2606954165
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getblockstats 291142
{
"avgfee": 3367,
"avgfeerate": 9,
"avgtxsize": 429,
"blockhash": "00000011d9a1b204bd8c56f737a9c2f6e5c87a58a7bddeefbbf4b634e485d339",
"feerate_percentiles": [
2,
2,
2,
2,
2
],
"height": 291142,
"ins": 28,
"maxfee": 34200,
"maxfeerate": 200,
"maxtxsize": 6333,
"medianfee": 345,
"mediantime": 1770851901,
"mediantxsize": 188,
"minfee": 239,
"minfeerate": 1,
"mintxsize": 188,
"outs": 254,
"subsidy": 2500000000,
"swtotal_size": 12036,
"swtotal_weight": 40596,
"swtxs": 28,
"time": 1770854161,
"total_out": 2685677181740,
"total_size": 12036,
"total_weight": 40596,
"totalfee": 94286,
"txs": 29,
"utxo_increase": 226,
"utxo_size_inc": 16325,
"utxo_increase_actual": 200,
"utxo_size_inc_actual": 14412
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 4894763,
"totalbytessent": 227085364,
"timemillis": 1770854212647,
"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": 1656,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1656
}
}
### 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
82b27e77426c9cf3
8d884c6faa9a31e804c5dcec5b9e3fe42a7948c086e0ec59fb9520c52391ecae
2422645f1d448cf3
465418891a80669ed1c83995a73739f8a07b2ce5b991e38eb80e865cb255ef37
b56294fca0e90a33
2908ecde7a9ba41d334b607a5694bbf115cfe50a0051d8ebcee12d061e14762e
989773dc541b27e7
16bf27394b25ee57999308db3c7aac03e810c511d3f2d75fc081d51a23aa9249
efc846ec47160038
e9863eaa004cbae049597b6c7d13cccaa9ad36e4d8e87e6959b82974f53f4ec5
a101beaee0a2a9f8
316897c8edec5eca815bfe7675c63b70d972f90aed6d4466cef82c722c205b2d
527f54bf5318bcef
982627040358b21796f3f465065822a105b62653a62223e5ac80737103d8fdeb
9550b66c9c9a91e5
15e301b676f1183384c430381c3458a3ce10542669c607a8f5bf58f998e28052
b49d12e05f5bf74c
82c45a474f8b3f2089f4fb2e39b1863cdc32b128642cba60c310d6d9cacbff4f
516de1d26188fb6c
f1bf91b3aae083be0757a05b1a7624d8fe2d7821227aadfad6baa20744ffe93e
7aa3370f69571e4a
9e51f6b50ad7973ccae5484a92514cc3f97743d1fb4ede61111acdf1a8d988fb
$ niceblack.sh $BH $BC
___ ___ __ __ _ _ ___
|__ \ / _ \/_ | /_ | || |__ \
) | (_) || | | | || |_ ) |
/ / \__, || | | |__ _/ /
/ /_ / / | | | | | |/ /_
|____| /_/ |_| |_| |_|____|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..11 d9a1 b2.4 .f |
| 1. bd8c 56f7 37a9 c2f6 1f |
| 2. e5c8 7a58 a7bd deef 2f |
| 3. bbf4 b634 e485 d339 3f |
'=== ==== ==== ==== ==== ==='
ak: a92e d1