# on receiving block 290345 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-02-06T08:02:31Z
# as written in the block header
2026-02-06T08:01:21Z
$ uptime # since last reboot
08:02:31 up 9 days, 19:28, 0 users, load average: 2.95, 2.91, 1.94
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1007204 kB
$ du -h -d1 .bitcoin/signet
269M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
488M .bitcoin/signet/blocks
3.3G .bitcoin/signet/chainstate
4.1G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 434G 478G 48% /
$ 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
290345
$ BH=$(bitcoin-cli -signet getblockhash 290345); echo $BH
00000003f195791f2147a738b490756a8ee224be0f5295cbb99e9210d8ffebec
$ bitcoin-cli -signet getblockheader 00000003f195791f2147a738b490756a8ee224be0f5295cbb99e9210d8ffebec
{
"hash": "00000003f195791f2147a738b490756a8ee224be0f5295cbb99e9210d8ffebec",
"confirmations": 1,
"height": 290345,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "40371eb123ea40bf703e909137155f46fe53dbd2d6453c4c5e1140175806579b",
"time": 1770364881,
"mediantime": 1770362657,
"nonce": 561352892,
"bits": "1d14fd7a",
"target": "00000014fd7a0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04764068304243208,
"chainwork": "00000000000000000000000000000000000000000000000000000abf8d25e8fa",
"nTx": 33,
"previousblockhash": "00000002e0bef86b189ee73f74bbe9ab797f6eec40154e7db2f25b1e345bd4cf"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...3 f195 791f
2147 a738 b49. 756a
8ee2 24be .f52 95cb
b99e 921. d8ff ebec
$ : 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
290345 sf: ...3 b49. .f52 921. 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 .
290345 sk: ebec 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 .
290345 ak: e754 b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 2,
"bytes": 450,
"usage": 2896,
"total_fee": 0.00004500,
"maxmempool": 100000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
367
## Current epoch estimation is -0.09%
## 41 of 2016, i.e. 2%, 1975 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
340265.5865671239
$ bitcoin-cli -signet getnetworkhashps 2016 290303
340597.2606954165
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getblockstats 290345
{
"avgfee": 2815,
"avgfeerate": 2,
"avgtxsize": 4784,
"blockhash": "00000003f195791f2147a738b490756a8ee224be0f5295cbb99e9210d8ffebec",
"feerate_percentiles": [
0,
0,
0,
0,
2
],
"height": 290345,
"ins": 33,
"maxfee": 36561,
"maxfeerate": 200,
"maxtxsize": 146121,
"medianfee": 345,
"mediantime": 1770362657,
"mediantxsize": 188,
"minfee": 140,
"minfeerate": 0,
"mintxsize": 188,
"outs": 66,
"subsidy": 2500000000,
"swtotal_size": 153100,
"swtotal_weight": 165088,
"swtxs": 32,
"time": 1770364881,
"total_out": 2662549672230,
"total_size": 153100,
"total_weight": 165088,
"totalfee": 90102,
"txs": 33,
"utxo_increase": 33,
"utxo_size_inc": 2380,
"utxo_increase_actual": 7,
"utxo_size_inc_actual": 536
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 151846820,
"totalbytessent": 6588391577,
"timemillis": 1770364952338,
"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": 1492,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1492
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
17 "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
dd9aa36e2f655997
b03e028f8de744652f25eb34928dc1aff3473823bf1986c6a3e8406762542611
8afa6cbf7ec03172
378eae125d6f15835a91f3220bde37e9a9c433bc80d22dab5c16d847ec25622a
42d6b7498898cae5
cf6fb3a0cd56c93f4886720144a323ef20bbf918c571d7293c399cf078df19cc
0e50dcb5fd8fb73b
4b5aee712f393b2484e55bc3806a5a6181bee0945c4de59b50cf7032fef6d508
b8965b3931de1d57
57b443a9e07e87b230a739868518f6bd3173ed9dbc0964b67aa242bc7413363e
c9bd5025faadb02e
35802a2cbd71d3d0c7d709223fd04b04d49246e299464a9f731e37f67dd714c4
616318010688e85a
dc9c129bc455efe9f03a742ac9df421d4aa60cd7bcf5ec88f8a8dff077c5aec6
3505e41e6aae740a
23bd139a0f13861edcba0500e3adbe22de7f0a4bb198d85b7e956a868b39e211
b03ed3a44cf4bf40
06216a34560d3cc93f05ec4905432e18826ccabed797cbc1629fc8118acc848c
a101beaee0a2a9f8
c21ec3884bfecec846eda4f377f683b1e07695a98d6ea7bc68f3ad7e373f2dd4
d06bb5a31504d47c
d74d3ec3d7d788eda21f779e83fb77de4d1bec5b9d1f257be1796c393a6dfdaf
5bb8c02b6af74bca
368aa8a3b015ce6bdb1a96e4c4e323858753c654eee4bb4805272433dd19db78
4b1f7b176d3972ac
b80d79946b6a7b9c4639bf2a36405fff5744732001a7845a6b77c3135bea555b
$ niceblack.sh $BH $BC
| | |
_ \ | _ \ _| | /
_.__/_|\___/\__|_\_\
_ ) _ \ \__ / | | __|
/\_ /( |_ \__ _|__ \
___| _/\__/___/ _| ___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...3 f195 791f .f |
| 1. 2147 a738 b49. 756a 1f |
| 2. 8ee2 24be .f52 95cb 2f |
| 3. b99e 921. d8ff ebec 3f |
'=== ==== ==== ==== ==== ==='
ak: e754 b1