# on receiving block 291216 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-02-12T12:38:36Z
# as written in the block header
2026-02-12T12:38:33Z
$ uptime # since last reboot
12:38:36 up 16 days, 4 min, 0 users, load average: 2.11, 0.97, 0.99
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2167740 kB
$ du -h -d1 .bitcoin/signet
270M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
521M .bitcoin/signet/blocks
3.4G .bitcoin/signet/chainstate
4.2G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 434G 478G 48% /
$ bitcoind -version
Bitcoin Core daemon version v30.2.0 bitcoind
Copyright (C) 2009-2026 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
291216
$ BH=$(bitcoin-cli -signet getblockhash 291216); echo $BH
00000006c1132f9a6d86212450e230f2941e5c4bba5e5779b4803169a58f19f9
$ bitcoin-cli -signet getblockheader 00000006c1132f9a6d86212450e230f2941e5c4bba5e5779b4803169a58f19f9
{
"hash": "00000006c1132f9a6d86212450e230f2941e5c4bba5e5779b4803169a58f19f9",
"confirmations": 1,
"height": 291216,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "4aaf044aa4a9538ef243f84e5a4fcf87aca4aacc8a15a0489f714fd38c808df2",
"time": 1770899913,
"mediantime": 1770895001,
"nonce": 21950441,
"bits": "1d14fd7a",
"target": "00000014fd7a0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04764068304243208,
"chainwork": "00000000000000000000000000000000000000000000000000000ae90c0a00e9",
"nTx": 34,
"previousblockhash": "00000006e4c3813c52b6b4c2751cc1bad2bd4b6a495fa76d0b52aec08cc9a241"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...6 c113 2f9a
6d86 2124 5.e2 3.f2
941e 5c4b ba5e 5779
b48. 3169 a58f 19f9
$ : 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
291216 sf: ...6 5.e2 3.f2 b48. 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 .
291216 sk: 19f9 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 .
291216 ak: ded. b1
### 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
160
## Current epoch estimation is -1.36%
## 912 of 2016, i.e. 45%, 1104 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
335951.8861665563
$ bitcoin-cli -signet getnetworkhashps 2016 290303
340597.2606954165
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getblockstats 291216
{
"avgfee": 8696,
"avgfeerate": 10,
"avgtxsize": 897,
"blockhash": "00000006c1132f9a6d86212450e230f2941e5c4bba5e5779b4803169a58f19f9",
"feerate_percentiles": [
2,
8,
8,
8,
8
],
"height": 291216,
"ins": 35,
"maxfee": 175027,
"maxfeerate": 200,
"maxtxsize": 21804,
"medianfee": 345,
"mediantime": 1770895001,
"mediantxsize": 188,
"minfee": 171,
"minfeerate": 1,
"mintxsize": 188,
"outs": 760,
"subsidy": 2500000000,
"swtotal_size": 29392,
"swtotal_weight": 105832,
"swtxs": 32,
"time": 1770899913,
"total_out": 2892867531869,
"total_size": 29615,
"total_weight": 106724,
"totalfee": 286970,
"txs": 34,
"utxo_increase": 725,
"utxo_size_inc": 52242,
"utxo_increase_actual": 699,
"utxo_size_inc_actual": 50329
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 10438720,
"totalbytessent": 487115442,
"timemillis": 1770899917636,
"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 v30.2.0 signet - server 70016/Satoshi:30.2.0/
ipv4 total block manual
in 5 5
out 11 11 2 1
total 16 16
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1653,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1653
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
13 "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
8d884c6faa9a31e804c5dcec5b9e3fe42a7948c086e0ec59fb9520c52391ecae
2422645f1d448cf3
465418891a80669ed1c83995a73739f8a07b2ce5b991e38eb80e865cb255ef37
b56294fca0e90a33
2908ecde7a9ba41d334b607a5694bbf115cfe50a0051d8ebcee12d061e14762e
989773dc541b27e7
16bf27394b25ee57999308db3c7aac03e810c511d3f2d75fc081d51a23aa9249
efc846ec47160038
e9863eaa004cbae049597b6c7d13cccaa9ad36e4d8e87e6959b82974f53f4ec5
a101beaee0a2a9f8
316897c8edec5eca815bfe7675c63b70d972f90aed6d4466cef82c722c205b2d
527f54bf5318bcef
982627040358b21796f3f465065822a105b62653a62223e5ac80737103d8fdeb
9550b66c9c9a91e5
15e301b676f1183384c430381c3458a3ce10542669c607a8f5bf58f998e28052
516de1d26188fb6c
f1bf91b3aae083be0757a05b1a7624d8fe2d7821227aadfad6baa20744ffe93e
7aa3370f69571e4a
9e51f6b50ad7973ccae5484a92514cc3f97743d1fb4ede61111acdf1a8d988fb
41788e644f2c6ad9
fe2ca75785b6852d0c25bddc4da9ba04f0ae8e8ef581297ce94666679d4e5d1b
62c2c290f8d0b846
ae7fcaf86e5a06379966e0d3d2cbc470d53d20e5c9636567565dcfae3e553601
97de556c0788e157
4e385d08d47ed8264769cbf6057ae2a4bd78fec34c889e7dcf600c2801cea66b
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
__ __ , __ , __
/ )/ |/|/ )/| /
/ \_/| | / || __
/ | | / ||/ \
/___ | |/___ | \__/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...6 c113 2f9a .f |
| 1. 6d86 2124 5.e2 3.f2 1f |
| 2. 941e 5c4b ba5e 5779 2f |
| 3. b48. 3169 a58f 19f9 3f |
'=== ==== ==== ==== ==== ==='
ak: ded. b1