# on receiving block 291963 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-02-17T14:53:01Z
# as written in the block header
2026-02-17T14:52:39Z
$ uptime # since last reboot
14:53:01 up 20:23, 0 users, load average: 1.78, 1.62, 1.37
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2421812 kB
$ du -h -d1 .bitcoin/signet
271M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
556M .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
291963
$ BH=$(bitcoin-cli -signet getblockhash 291963); echo $BH
00000004032c7e8bb768103280f2352a0fad8491fbfedf7f7711579c8a00f44e
$ bitcoin-cli -signet getblockheader 00000004032c7e8bb768103280f2352a0fad8491fbfedf7f7711579c8a00f44e
{
"hash": "00000004032c7e8bb768103280f2352a0fad8491fbfedf7f7711579c8a00f44e",
"confirmations": 1,
"height": 291963,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "0d6a73ce66c5b16c79862b71395f80a9ee81e41d4f940f38d793c36b4aeaea6a",
"time": 1771339959,
"mediantime": 1771337583,
"nonce": 176021402,
"bits": "1d14fd7a",
"target": "00000014fd7a0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04764068304243208,
"chainwork": "00000000000000000000000000000000000000000000000000000b0ca299e53c",
"nTx": 29,
"previousblockhash": "0000000e7119e638f8e1680b1d7deba89fec32dd5f879c2170db952517732339"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...4 .32c 7e8b
b768 1.32 8.f2 352a
.fad 8491 fbfe df7f
7711 579c 8a.. f44e
$ : 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
291963 sf: ...4 .32c 1.32 8.f2 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 .
291963 sk: f44e 91
$ : 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 .
291963 ak: 9e5f 91
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 1,
"bytes": 142,
"usage": 1104,
"total_fee": 0.00000286,
"maxmempool": 100000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
371
## Current epoch estimation is +0.12%
## 1659 of 2016, i.e. 82%, 357 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
341023.5083440692
$ bitcoin-cli -signet getnetworkhashps 2016 290303
340597.2606954165
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getblockstats 291963
{
"avgfee": 1188,
"avgfeerate": 0,
"avgtxsize": 3906,
"blockhash": "00000004032c7e8bb768103280f2352a0fad8491fbfedf7f7711579c8a00f44e",
"feerate_percentiles": [
1,
1,
1,
1,
1
],
"height": 291963,
"ins": 28,
"maxfee": 32528,
"maxfeerate": 1,
"maxtxsize": 104156,
"medianfee": 14,
"mediantime": 1771337583,
"mediantxsize": 188,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 188,
"outs": 258,
"subsidy": 2500000000,
"swtotal_size": 109381,
"swtotal_weight": 145378,
"swtxs": 28,
"time": 1771339959,
"total_out": 3239865677939,
"total_size": 109381,
"total_weight": 145378,
"totalfee": 33271,
"txs": 29,
"utxo_increase": 230,
"utxo_size_inc": 18968,
"utxo_increase_actual": 204,
"utxo_size_inc_actual": 17124
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 8674753,
"totalbytessent": 198054691,
"timemillis": 1771339982496,
"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 3 3
out 11 11 2 1
total 14 14
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 2074,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 2074
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
7 "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
aa871a5b2c451fe80a51679f11289999d8ef8604ee11bfa5aab9203436eb9455
2d39a7404c4b70a6
d96bcc7ba1337f00fee136fe4c20abc2019c2d55905cfe0daa9b44f0c956598a
7aa3370f69571e4a
084e0e80dfe4e9b458ba6e83692e4793d311ea34c3f82f8102de8a30cc3b70a3
acbcec5aeca1972b
a8b97dcd81918fdb3c932541671a4ee0fcf1fbc1e7e9d45eb81689f6f5135f75
b5c9d0a28ed9c546
eded83ff044281dd87f72997d81f54b19f975f9d98a298441a69bfe157554d54
a4dda9c03849be5c
0ebcbcb6635748ebe16f33ddabae748d49de5be73a4ced9dd6cced86470e4f26
33b03dd1e4d41b64
54a25181856d87eb794d4b20b271f330967ed557694ec803e70f56c7567c2402
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
__ __ , __ __ ___
/ )/ |/|/ | / / \
/ \_/| |\_/|| __ __/
/ | | ||/ \ \
/___ | | | \__/\___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...4 .32c 7e8b .f |
| 1. b768 1.32 8.f2 352a 1f |
| 2. .fad 8491 fbfe df7f 2f |
| 3. 7711 579c 8a.. f44e 3f |
'=== ==== ==== ==== ==== ==='
ak: 9e5f 91