# on receiving block 287083 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-01-14T23:09:53Z
# as written in the block header
2026-01-14T23:08:45Z
$ uptime # since last reboot
23:09:53 up 154 days, 9:00, 0 users, load average: 1.34, 1.00, 1.01
$ battery.sh
42%, Power Supply Online
$ uname -smnr
Linux singer 6.12.40-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1647236 kB
$ du -h -d1 .bitcoin/signet
260M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
482M .bitcoin/signet/blocks
3.2G .bitcoin/signet/chainstate
4.0G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 833G 78G 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
287083
$ BH=$(bitcoin-cli -signet getblockhash 287083); echo $BH
000000149e332460f81af81201aa6d293c5b78ca8e58eb7bf008b97c3eb26c37
$ bitcoin-cli -signet getblockheader 000000149e332460f81af81201aa6d293c5b78ca8e58eb7bf008b97c3eb26c37
{
"hash": "000000149e332460f81af81201aa6d293c5b78ca8e58eb7bf008b97c3eb26c37",
"confirmations": 1,
"height": 287083,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "d51c80ba34e25564d0770219dd2a1ad217afbfd3f08cbdbc6b885abcbed2d3a6",
"time": 1768432125,
"mediantime": 1768429036,
"nonce": 545350363,
"bits": "1d155816",
"target": "0000001558160000000000000000000000000000000000000000000000000000",
"difficulty": 0.04685067121530791,
"chainwork": "00000000000000000000000000000000000000000000000000000a2750e84544",
"nTx": 50,
"previousblockhash": "0000000e2f9491d0189b7412a73e37e37d70bd816b3f545eda9b2c58a50235fa"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..14 9e33 246.
f81a f812 .1aa 6d29
3c5b 78ca 8e58 eb7b
f..8 b97c 3eb2 6c37
$ : 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
287083 sf: ..14 246. .1aa f..8 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 .
287083 sk: 6c37 b1
$ : 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 .
287083 ak: ec8f b1
### 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
323
## Current epoch estimation is +0.22%
## 811 of 2016, i.e. 40%, 1205 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
336114.4375971128
$ bitcoin-cli -signet getnetworkhashps 2016 286271
335362.2796681721
$ bitcoin-cli -signet getnetworkhashps 2016 284255
355553.4870464702
$ bitcoin-cli -signet getblockstats 287083
{
"avgfee": 8557,
"avgfeerate": 9,
"avgtxsize": 984,
"blockhash": "000000149e332460f81af81201aa6d293c5b78ca8e58eb7bf008b97c3eb26c37",
"feerate_percentiles": [
2,
8,
8,
8,
8
],
"height": 287083,
"ins": 51,
"maxfee": 293155,
"maxfeerate": 200,
"maxtxsize": 35103,
"medianfee": 345,
"mediantime": 1768429036,
"mediantxsize": 223,
"minfee": 159,
"minfeerate": 1,
"mintxsize": 188,
"outs": 1226,
"subsidy": 2500000000,
"swtotal_size": 48253,
"swtotal_weight": 172723,
"swtxs": 49,
"time": 1768432125,
"total_out": 2554794924017,
"total_size": 48253,
"total_weight": 172723,
"totalfee": 419339,
"txs": 50,
"utxo_increase": 1175,
"utxo_size_inc": 85000,
"utxo_increase_actual": 1141,
"utxo_size_inc_actual": 82270
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 177852834,
"totalbytessent": 11090193496,
"timemillis": 1768432194907,
"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 4 4
out 11 11 2 1
total 15 15
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1880,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1880
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
10 "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
f17ef791f09a6e12
1eb8d5c885d76ec61abdcbab8afdb95cf662b83dff800d091c1d1aa9c9ec4444
9550b66c9c9a91e5
80572506374a72edbbd8eb4c060f2ed610f580590fe77e0fd9928d76f3e12517
42d6b7498898cae5
b5d07aa319512b491e13f8dbc1998fa9621cbddb56fe787970a1439302c5bb03
acbcec5aeca1972b
cd8b5fd8d8c0d6c507b38a5b9a087017a34e14224c61d9dac1c13199d46f0d3c
989773dc541b27e7
6a63816364e2ce97a9b72bc4825a4689372091f1439c3ec017266e9979213edf
f790807c60875c4a
27536aa05fbc13edafcfd28e7f64474f362e32c2f5ff26299762e15923698a1e
efc846ec47160038
9b843445da8d090550ec32a74bac821c463444d2ec731b4e1b73b6a3ef671377
cbc2e2b9678ec897
8ff9282db73d452e366650c997f0c8f9346a8214f5afd2bc515676e113a19167
82b27e77426c9cf3
17cebe79272e3fa04b260ed855cbcf8c5ea72c51d808b8c0e962432b53343780
163f3786f147ce8f
619aa5857606ae0d09775097b19b73aa49a72f4f4c4431081fe675f8d3da24bc
$ niceblack.sh $BH $BC
___ ___ ______
|__ \ / _ \____ |
) | (_) | / /
/ / > _ < / /
/ /_| (_) |/ /
|____|\___//_/
___ ___ ____
/ _ \ / _ \___ \
| | | | (_) |__) |
| | | |> _ <|__ <
| |_| | (_) |__) |
\___/ \___/____/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..14 9e33 246. .f |
| 1. f81a f812 .1aa 6d29 1f |
| 2. 3c5b 78ca 8e58 eb7b 2f |
| 3. f..8 b97c 3eb2 6c37 3f |
'=== ==== ==== ==== ==== ==='
ak: ec8f b1
................ ...........|.|..