# on receiving block 289894 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-02-03T07:26:47Z
# as written in the block header
2026-02-03T07:26:37Z
$ uptime # since last reboot
07:26:47 up 6 days, 18:52, 0 users, load average: 2.40, 1.82, 1.60
$ battery.sh
95%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 961884 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
289894
$ BH=$(bitcoin-cli -signet getblockhash 289894); echo $BH
00000008006046fac18777022dc341c3cca95ae8fbd6e63ecc4e0383d1eac033
$ bitcoin-cli -signet getblockheader 00000008006046fac18777022dc341c3cca95ae8fbd6e63ecc4e0383d1eac033
{
"hash": "00000008006046fac18777022dc341c3cca95ae8fbd6e63ecc4e0383d1eac033",
"confirmations": 1,
"height": 289894,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "192df62439b4e5defa9ff1a1512dc7586e720be1207e76a5965e7818ddb05022",
"time": 1770103597,
"mediantime": 1770101044,
"nonce": 74980577,
"bits": "1d157c9b",
"target": "000000157c9b0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04653962099342757,
"chainwork": "00000000000000000000000000000000000000000000000000000aaa83f2e5f0",
"nTx": 32,
"previousblockhash": "00000001b1bb66f8f66b56885cb4dfdcf8e003e354a1ac9eccbfbaea1369aa54"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...8 ..6. 46fa
c187 77.2 2dc3 41c3
cca9 5ae8 fbd6 e63e
cc4e .383 d1ea c.33
$ : 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
289894 sf: ...8 ..6. 77.2 .383 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 .
289894 sk: c.33 a1
$ : 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 .
289894 ak: c9aa a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 2,
"bytes": 378,
"usage": 2656,
"total_fee": 0.00002556,
"maxmempool": 100000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
138
## Current epoch estimation is +2.06%
## 1606 of 2016, i.e. 79%, 410 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
339888.7311957926
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getnetworkhashps 2016 286271
335362.2796681721
$ bitcoin-cli -signet getblockstats 289894
{
"avgfee": 1548,
"avgfeerate": 10,
"avgtxsize": 220,
"blockhash": "00000008006046fac18777022dc341c3cca95ae8fbd6e63ecc4e0383d1eac033",
"feerate_percentiles": [
2,
2,
2,
2,
10
],
"height": 289894,
"ins": 31,
"maxfee": 34200,
"maxfeerate": 200,
"maxtxsize": 441,
"medianfee": 345,
"mediantime": 1770101044,
"mediantxsize": 188,
"minfee": 172,
"minfeerate": 1,
"mintxsize": 188,
"outs": 66,
"subsidy": 2500000000,
"swtotal_size": 6827,
"swtotal_weight": 18425,
"swtxs": 31,
"time": 1770103597,
"total_out": 2661541676901,
"total_size": 6827,
"total_weight": 18425,
"totalfee": 47999,
"txs": 32,
"utxo_increase": 35,
"utxo_size_inc": 2534,
"utxo_increase_actual": 9,
"utxo_size_inc_actual": 690
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 93340397,
"totalbytessent": 3941950291,
"timemillis": 1770103608977,
"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 9 9
out 11 11 2 1
total 20 20
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1446,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1446
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
15 "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
df20edf7a92caa16
528743940927beb5c5dacb5042d714ee483a50702960aaf866a17dbd3e61cecf
989773dc541b27e7
42248f84ba5929f398b200bf811aa72ff8c31f6d10d5949cbcb3aba8dce4081e
acbcec5aeca1972b
2ebd03f0b229b44fe1c9d32310526dd510ec26392d549e4cf3edef59463c76a3
ff5f456993331248
2318f4fe93194d28c26aca211ab26799a1653131e4e9bd00660fda80156b2747
610bb142bd11baa9
77c5041b1b66095ba5bc6db916c85f0e0137dd6df94904667f7c2b56c7d5e80f
dd9aa36e2f655997
b03e028f8de744652f25eb34928dc1aff3473823bf1986c6a3e8406762542611
8afa6cbf7ec03172
378eae125d6f15835a91f3220bde37e9a9c433bc80d22dab5c16d847ec25622a
b252fa0eaa6f5b05
2af81e1214ab55c3263aa2a6450d06397f0b2547abf3733b1279b9c1ecb740b4
dabe0a47278fc3f8
7e2dafa1ecb10376374846b887f2bef79b6ef9b4777296fbc127266779348e9a
42d6b7498898cae5
cf6fb3a0cd56c93f4886720144a323ef20bbf918c571d7293c399cf078df19cc
066b8f034f9a49ea
4fcbb20864712f63940d1727d78e4344f45eb20efd8ca753c8ee518796c68dd6
a15a1b2fc45bc26e
f8fc779fdbcf30932cb2ea8ece1db23dd2ece3b478f217da4cbe55aa990b3d13
0e50dcb5fd8fb73b
4b5aee712f393b2484e55bc3806a5a6181bee0945c4de59b50cf7032fef6d508
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
___ ___ ___ ___ ___ _ _
|_ | _ ) _ ( _ ) _ \ | |
/ // _ \_, / _ \_, /_ _|
/___\___//_/\___//_/ |_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...8 ..6. 46fa .f |
| 1. c187 77.2 2dc3 41c3 1f |
| 2. cca9 5ae8 fbd6 e63e 2f |
| 3. cc4e .383 d1ea c.33 3f |
'=== ==== ==== ==== ==== ==='
ak: c9aa a1