# on receiving block 290091 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-02-04T14:02:18Z
# as written in the block header
2026-02-04T14:01:25Z
$ uptime # since last reboot
14:02:18 up 8 days, 1:28, 0 users, load average: 2.47, 1.70, 1.49
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 973364 kB
$ du -h -d1 .bitcoin/signet
268M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
487M .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
290091
$ BH=$(bitcoin-cli -signet getblockhash 290091); echo $BH
000000010c610bd700143bdecaecb52d3308908b03ca89eb51bc3f68e5ad0edc
$ bitcoin-cli -signet getblockheader 000000010c610bd700143bdecaecb52d3308908b03ca89eb51bc3f68e5ad0edc
{
"hash": "000000010c610bd700143bdecaecb52d3308908b03ca89eb51bc3f68e5ad0edc",
"confirmations": 1,
"height": 290091,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "556d94709f4d8c105aa8dee7ad57fcd20a15433868fba130f8a7506587c383dc",
"time": 1770213685,
"mediantime": 1770210840,
"nonce": 426342978,
"bits": "1d157c9b",
"target": "000000157c9b0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04653962099342757,
"chainwork": "00000000000000000000000000000000000000000000000000000ab3af121fe0",
"nTx": 3,
"previousblockhash": "00000006295e1eaf9e4e6f012e3d3ab27d411f24914ac218c1c8d08e121ac2aa"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...1 .c61 .bd7
..14 3bde caec b52d
33.8 9.8b .3ca 89eb
51bc 3f68 e5ad .edc
$ : 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
290091 sf: ...1 .c61 .bd7 ..14 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 .
290091 sk: .edc 71
$ : 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 .
290091 ak: efbb 71
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 26,
"bytes": 7079,
"usage": 36752,
"total_fee": 0.00017432,
"maxmempool": 100000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
145
## Current epoch estimation is +3.14%
## 1803 of 2016, i.e. 89%, 213 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
343464.4156154314
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getnetworkhashps 2016 286271
335362.2796681721
$ bitcoin-cli -signet getblockstats 290091
{
"avgfee": 34300,
"avgfeerate": 200,
"avgtxsize": 440,
"blockhash": "000000010c610bd700143bdecaecb52d3308908b03ca89eb51bc3f68e5ad0edc",
"feerate_percentiles": [
200,
200,
200,
200,
200
],
"height": 290091,
"ins": 2,
"maxfee": 34400,
"maxfeerate": 200,
"maxtxsize": 442,
"medianfee": 34300,
"mediantime": 1770210840,
"mediantxsize": 440,
"minfee": 34200,
"minfeerate": 200,
"mintxsize": 438,
"outs": 4,
"subsidy": 2500000000,
"swtotal_size": 880,
"swtotal_weight": 1372,
"swtxs": 2,
"time": 1770213685,
"total_out": 299931400,
"total_size": 880,
"total_weight": 1372,
"totalfee": 68600,
"txs": 3,
"utxo_increase": 2,
"utxo_size_inc": 217,
"utxo_increase_actual": 1,
"utxo_size_inc_actual": 48
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 114631594,
"totalbytessent": 4802019343,
"timemillis": 1770213739653,
"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": 1471,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1471
}
}
### 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
dabe0a47278fc3f8
7e2dafa1ecb10376374846b887f2bef79b6ef9b4777296fbc127266779348e9a
42d6b7498898cae5
cf6fb3a0cd56c93f4886720144a323ef20bbf918c571d7293c399cf078df19cc
0e50dcb5fd8fb73b
4b5aee712f393b2484e55bc3806a5a6181bee0945c4de59b50cf7032fef6d508
b8965b3931de1d57
57b443a9e07e87b230a739868518f6bd3173ed9dbc0964b67aa242bc7413363e
c9bd5025faadb02e
35802a2cbd71d3d0c7d709223fd04b04d49246e299464a9f731e37f67dd714c4
616318010688e85a
dc9c129bc455efe9f03a742ac9df421d4aa60cd7bcf5ec88f8a8dff077c5aec6
4dd464fe00c69241
eb8fc5be01589782183c15fb1b707c8947e85e9b628e972026ceff47bfa8dbfd
3505e41e6aae740a
23bd139a0f13861edcba0500e3adbe22de7f0a4bb198d85b7e956a868b39e211
12f57d63858c0ce8
385da9a61e84168d545263252d1c2bde7c1f5ebf9f0e58dc71c7c10e87d578f9
b03ed3a44cf4bf40
06216a34560d3cc93f05ec4905432e18826ccabed797cbc1629fc8118acc848c
d3595e706545d0ec
5d11ccad010161d3014fc77a52423fee5a49bcf724a829a40e5ee5263920134c
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
__ __ __ __ __ ,
/ )/ | / \ / \ / |/|
/ \_/|| || |\_/| |
/ || || | | |
/___ | \__/ \__/ | |
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...1 .c61 .bd7 .f |
| 1. ..14 3bde caec b52d 1f |
| 2. 33.8 9.8b .3ca 89eb 2f |
| 3. 51bc 3f68 e5ad .edc 3f |
'=== ==== ==== ==== ==== ==='
ak: efbb 71