# on receiving block 285121 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2025-12-31T22:34:26Z
# as written in the block header
2025-12-31T22:34:14Z
$ uptime # since last reboot
22:34:26 up 140 days, 8:25, 0 users, load average: 0.87, 1.16, 1.70
$ battery.sh
50%, Power Supply Online
$ uname -smnr
Linux singer 6.12.40-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1894328 kB
$ du -h -d1 .bitcoin/signet
254M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
531M .bitcoin/signet/blocks
3.1G .bitcoin/signet/chainstate
3.9G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 834G 77G 92% /
$ 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 -signet getblockcount); echo $BC
285121
$ BH=$(bitcoin-cli -signet getblockhash 285121); echo $BH
000000103484df076d11727e48c488e0a241d8cc2d4ac5bb17bdf5d6aafc686e
$ bitcoin-cli -signet getblockheader 000000103484df076d11727e48c488e0a241d8cc2d4ac5bb17bdf5d6aafc686e
{
"hash": "000000103484df076d11727e48c488e0a241d8cc2d4ac5bb17bdf5d6aafc686e",
"confirmations": 1,
"height": 285121,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "527ccd73fe75f48cfcce9349f65752c1333a721fd92b21580f88a1be1a94e63a",
"time": 1767220454,
"mediantime": 1767217139,
"nonce": 84660764,
"bits": "1d1420d7",
"target": "0000001420d70000000000000000000000000000000000000000000000000000",
"difficulty": 0.04968058420455346,
"chainwork": "000000000000000000000000000000000000000000000000000009c823a0fb38",
"nTx": 52,
"previousblockhash": "0000000b47ab84aaa1613156f65f62bd3aaa7a437ae2649c8e68b182f275a33f"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..1. 3484 df.7
6d11 727e 48c4 88e.
a241 d8cc 2d4a c5bb
17bd f5d6 aafc 686e
$ : 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
285121 sf: ..1. df.7 88e. 686e
$ : 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 .
285121 sk: 686e 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 .
285121 ak: 865d c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 2,
"bytes": 431,
"usage": 2624,
"total_fee": 0.00001191,
"maxmempool": 100000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
199
## Current epoch estimation is -4.65%
## 865 of 2016, i.e. 42%, 1151 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
339005.7123366359
$ bitcoin-cli -signet getnetworkhashps 2016 284255
355553.4870464702
$ bitcoin-cli -signet getnetworkhashps 2016 282239
338524.6784851121
$ bitcoin-cli -signet getblockstats 285121
{
"avgfee": 62184,
"avgfeerate": 32,
"avgtxsize": 2060,
"blockhash": "000000103484df076d11727e48c488e0a241d8cc2d4ac5bb17bdf5d6aafc686e",
"feerate_percentiles": [
2,
36,
36,
36,
36
],
"height": 285121,
"ins": 102,
"maxfee": 3148110,
"maxfeerate": 36,
"maxtxsize": 85908,
"medianfee": 325,
"mediantime": 1767217139,
"mediantxsize": 236,
"minfee": 112,
"minfeerate": 1,
"mintxsize": 162,
"outs": 2881,
"subsidy": 2500000000,
"swtotal_size": 104835,
"swtotal_weight": 389565,
"swtxs": 50,
"time": 1767220454,
"total_out": 2942927686196,
"total_size": 105104,
"total_weight": 390641,
"totalfee": 3171424,
"txs": 52,
"utxo_increase": 2779,
"utxo_size_inc": 200771,
"utxo_increase_actual": 2733,
"utxo_size_inc_actual": 196791
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 159468935,
"totalbytessent": 11114937167,
"timemillis": 1767220467227,
"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 libre-relay-v30.0-1 signet - server 70016/Satoshi:30.0.0/
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": 1459,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1459
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
12 "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
bfa088f830386510e0d8ee21674901e5b2eafb766a35ad7ae3ea3dc8d8b5ab29
c975056847e567f1
972d1c2e2027ba1dbed85caf27ecd771fa9a52a103a8baf3fda590533cdbbd4f
02ce84759fdbc1f1
ab1a9e612081bb650fd034ee32df2953688d2339d775d9174ac6368a4f18462e
f790807c60875c4a
0120c86237e0f50e4e3afc23d2241390ba0cba69e10dfd7a1237edfcba119fa5
0e50dcb5fd8fb73b
549be7ae3e03fc7a7ab524cd97ff127d3df8f53348ef6e85aecc738a5046c210
42d6b7498898cae5
cc7fd73e52067309f59d029f4df39d2ce66704c010b909589fae92c533eca48a
c0528ddd9e8cb6fc
5ceeb0f8a2ef945ac317e04d60cd5db300143f76b403e1449fa49e773b0fd9e9
8b550e26bc34647c
b724c772cefed6017868e8067af7002677da47f12a37c58a2806b585819a6aa2
efc846ec47160038
a7cf676f8065b28bf2e9c99fcb2c43aee18762adc61019bdda402b4c3e6e8792
7f9f0d3ad4568ba3
f8cc7c2a1b218aef39cd810ec47b5ec57a6ed4c6edad3bc0997fc1fb9951d46b
f36ce22ff91e7fb1
df93196d4b335c495b1a794a2b5a709965a459ff97582af00e0e304f9f4d0a8b
ef008877d8bf9d8a
55834a228e8b24d4099e492f598ecf85e8a1d43465c626445bef2992bf79ba78
$ niceblack.sh $BH $BC
___ ___ _____ __ ___ __
|__ \ / _ \| ____| /_ |__ \/_ |
) | (_) | |__ | | ) || |
/ / > _ <|___ \ | | / / | |
/ /_| (_) |___) | | |/ /_ | |
|____|\___/|____/ |_|____||_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..1. 3484 df.7 .f |
| 1. 6d11 727e 48c4 88e. 1f |
| 2. a241 d8cc 2d4a c5bb 2f |
| 3. 17bd f5d6 aafc 686e 3f |
'=== ==== ==== ==== ==== ==='
ak: 865d c1
................ ...........|....