# on receiving block 289968 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-02-03T19:37:16Z
# as written in the block header
2026-02-03T19:36:58Z
$ uptime # since last reboot
19:37:16 up 7 days, 7:02, 0 users, load average: 5.22, 6.90, 5.60
$ battery.sh
95%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 799900 kB
$ du -h -d1 .bitcoin/signet
268M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
471M .bitcoin/signet/blocks
3.3G .bitcoin/signet/chainstate
4.1G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 837G 75G 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
289968
$ BH=$(bitcoin-cli -signet getblockhash 289968); echo $BH
0000000b8bda38eae059ee3c6b1ff2726669dc1f02d96314a82581ddb1452a78
$ bitcoin-cli -signet getblockheader 0000000b8bda38eae059ee3c6b1ff2726669dc1f02d96314a82581ddb1452a78
{
"hash": "0000000b8bda38eae059ee3c6b1ff2726669dc1f02d96314a82581ddb1452a78",
"confirmations": 1,
"height": 289968,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "99e50e1852c6a551a007f71c79dd01e844068079defead39c5dce17457166f6d",
"time": 1770147418,
"mediantime": 1770144222,
"nonce": 139460505,
"bits": "1d157c9b",
"target": "000000157c9b0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04653962099342757,
"chainwork": "00000000000000000000000000000000000000000000000000000aadf59bddd0",
"nTx": 33,
"previousblockhash": "0000001459681d5bb06487433cfbbf62b3e78c57f045e71578675713bb3e621c"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...b 8bda 38ea
e.59 ee3c 6b1f f272
6669 dc1f .2d9 6314
a825 81dd b145 2a78
$ : 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
289968 sf: ...b e.59 .2d9 2a78
$ : 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 .
289968 sk: 2a78 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 .
289968 ak: 4d4d 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
186
## Current epoch estimation is +2.56%
## 1680 of 2016, i.e. 83%, 336 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
341545.0877559106
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getnetworkhashps 2016 286271
335362.2796681721
$ bitcoin-cli -signet getblockstats 289968
{
"avgfee": 18566,
"avgfeerate": 14,
"avgtxsize": 1339,
"blockhash": "0000000b8bda38eae059ee3c6b1ff2726669dc1f02d96314a82581ddb1452a78",
"feerate_percentiles": [
2,
14,
14,
14,
14
],
"height": 289968,
"ins": 32,
"maxfee": 516789,
"maxfeerate": 200,
"maxtxsize": 36012,
"medianfee": 343,
"mediantime": 1770144222,
"mediantxsize": 188,
"minfee": 131,
"minfeerate": 1,
"mintxsize": 182,
"outs": 1177,
"subsidy": 2500000000,
"swtotal_size": 42850,
"swtotal_weight": 162154,
"swtxs": 32,
"time": 1770147418,
"total_out": 2785815662297,
"total_size": 42850,
"total_weight": 162154,
"totalfee": 594131,
"txs": 33,
"utxo_increase": 1145,
"utxo_size_inc": 83874,
"utxo_increase_actual": 1119,
"utxo_size_inc_actual": 82008
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 101656196,
"totalbytessent": 4306003247,
"timemillis": 1770147437646,
"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 12 12
out 11 11 2 1
total 23 23
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1452,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1452
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
19 "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
989773dc541b27e7
42248f84ba5929f398b200bf811aa72ff8c31f6d10d5949cbcb3aba8dce4081e
acbcec5aeca1972b
2ebd03f0b229b44fe1c9d32310526dd510ec26392d549e4cf3edef59463c76a3
ff5f456993331248
2318f4fe93194d28c26aca211ab26799a1653131e4e9bd00660fda80156b2747
610bb142bd11baa9
77c5041b1b66095ba5bc6db916c85f0e0137dd6df94904667f7c2b56c7d5e80f
dd9aa36e2f655997
b03e028f8de744652f25eb34928dc1aff3473823bf1986c6a3e8406762542611
8afa6cbf7ec03172
378eae125d6f15835a91f3220bde37e9a9c433bc80d22dab5c16d847ec25622a
b252fa0eaa6f5b05
2af81e1214ab55c3263aa2a6450d06397f0b2547abf3733b1279b9c1ecb740b4
dabe0a47278fc3f8
7e2dafa1ecb10376374846b887f2bef79b6ef9b4777296fbc127266779348e9a
42d6b7498898cae5
cf6fb3a0cd56c93f4886720144a323ef20bbf918c571d7293c399cf078df19cc
066b8f034f9a49ea
4fcbb20864712f63940d1727d78e4344f45eb20efd8ca753c8ee518796c68dd6
0e50dcb5fd8fb73b
4b5aee712f393b2484e55bc3806a5a6181bee0945c4de59b50cf7032fef6d508
446a4dcd19c742d0
373b86ad5c19fbb35cd20c067d8dccdf2653975e3ccf7f5c37c81d26c3f3e3cd
b8965b3931de1d57
57b443a9e07e87b230a739868518f6bd3173ed9dbc0964b67aa242bc7413363e
c9bd5025faadb02e
35802a2cbd71d3d0c7d709223fd04b04d49246e299464a9f731e37f67dd714c4
ab99158add1c3d44
5f0a04e3bda3a9361050968cb90db4896fcd6430f075f8198188a2d786563c34
616318010688e85a
dc9c129bc455efe9f03a742ac9df421d4aa60cd7bcf5ec88f8a8dff077c5aec6
da54686a3b9ac7d1
7479008a839781489a7b78a3e9daf1ebffa9fbca15f04a5a4f169dc901ca6834
$ niceblack.sh $BH $BC
___ ____ ____
|__ \ ( __ )/ __ \
__/ // __ / /_/ /
/ __// /_/ /\__, /
/____/\____//____/
____ _____ ____
/ __ \/ ___/( __ )
/ /_/ / __ \/ __ |
\__, / /_/ / /_/ /
/____/\____/\____/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...b 8bda 38ea .f |
| 1. e.59 ee3c 6b1f f272 1f |
| 2. 6669 dc1f .2d9 6314 2f |
| 3. a825 81dd b145 2a78 3f |
'=== ==== ==== ==== ==== ==='
ak: 4d4d c1