# on receiving block 314457 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-23T17:21:14Z
# as written in the block header
2026-07-23T17:19:33Z
$ uptime # since last reboot
17:21:14 up 27 days, 9:52, 0 users, load average: 2.22, 2.30, 1.87
$ battery.sh
146%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1679916 kB
$ du -h -d1 .bitcoin/signet
316M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
503M .bitcoin/signet/blocks
3.9G .bitcoin/signet/chainstate
4.8G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 435G 476G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.1.0 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
314457
$ BH=$(bitcoin-cli -signet getblockhash 314457); echo $BH
000000015fc824b66d279bbdd0ccc0bef107a749ae7ac2e09c873747c1ce1612
$ bitcoin-cli -signet getblockheader 000000015fc824b66d279bbdd0ccc0bef107a749ae7ac2e09c873747c1ce1612
{
"hash": "000000015fc824b66d279bbdd0ccc0bef107a749ae7ac2e09c873747c1ce1612",
"confirmations": 1,
"height": 314457,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "08c5be754511f0a245d9c54e986b00eeed0ccdc108a797fd4377231f5b3174be",
"time": 1784827173,
"mediantime": 1784823699,
"nonce": 822079699,
"bits": "1d14ab71",
"target": "00000014ab710000000000000000000000000000000000000000000000000000",
"difficulty": 0.04837927401929265,
"chainwork": "00000000000000000000000000000000000000000000000000000f401e746ea4",
"nTx": 58,
"previousblockhash": "000000086a523eb818bebf3f1edab47b1b0f46eda9215b97a4edb1283c48ba77"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...1 5fc8 24b6
6d27 9bbd d.cc c.be
f1.7 a749 ae7a c2e.
9c87 3747 c1ce 1612
$ : 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
314457 sf: ...1 d.cc c.be f1.7 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 .
314457 sk: 1612 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 .
314457 ak: db5f a1
$ : Following is the jointkode
314457 jk: 1612 db5f a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 16,
"bytes": 447367,
"usage": 612336,
"total_fee": 0.01435452,
"maxmempool": 300000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 1,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000,
"limitclustercount": 25,
"limitclustersize": 101000,
"optimal": true
}
$ gmm.sh
189
## Current epoch estimation is -0.8%
## 1977 of 2016, i.e. 98%, 39 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
343458.5442161916
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getnetworkhashps 2016 310463
337230.1211738132
$ bitcoin-cli -signet getblockstats 314457
{
"avgfee": 52221,
"avgfeerate": 13,
"avgtxsize": 3871,
"blockhash": "000000015fc824b66d279bbdd0ccc0bef107a749ae7ac2e09c873747c1ce1612",
"feerate_percentiles": [
7,
7,
7,
7,
7
],
"height": 314457,
"ins": 71,
"maxfee": 701501,
"maxfeerate": 1133,
"maxtxsize": 100051,
"medianfee": 209,
"mediantime": 1784823699,
"mediantxsize": 202,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 186,
"subsidy": 2500000000,
"swtotal_size": 220536,
"swtotal_weight": 855486,
"swtxs": 56,
"time": 1784827173,
"total_out": 3708954355122,
"total_size": 220678,
"total_weight": 856054,
"totalfee": 2976614,
"txs": 58,
"utxo_increase": 115,
"utxo_size_inc": 210300,
"utxo_increase_actual": 67,
"utxo_size_inc_actual": 4944
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 6548212,
"totalbytessent": 134561046,
"timemillis": 1784827274358,
"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 v31.1.0 signet - server 70016/Satoshi:31.1.0/
ipv4 total block manual
in 1 1
out 11 11 2 1
total 12 12
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1002,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1002
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
10 "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
ba3c7fcd57c3371e814beefdac655e4d450f9b1e237ccfb66aae37047b736bf0
ce5240b924d9f173
4396de26970aefba82359010cef98f2fc69ea11620b1a28084249f9738d24c8c
ac71d6f00b7ce5e9
a9898dce2295cae52c6308ee08947ebac3b12eb76081a693b7b0afb0f453edca
7116bc61a79199c9
9757ccb6975c1e23c7fb5e15707c4369f84a85639142670a371660f771dd01c0
a8e0ddb58abca302
55bb06c66061cf98f259a0ec96706168579e3ae43742d4f3569bffa52fc622b0
131ffd1dacd3414b
e82d230f936c35e35e6c06e6fe8fedd4e6396643d937e9dedb93ba532f9bf4ad
e36260c61c9abf9d
d4095663829949250fc6daa5508c0ec54de9f43ecfdd757469a13d921286c295
42d6b7498898cae5
dfa354c1b8135ae4e9b192121c6688e967618fa598838cc04d83eb7afd7ef222
4c5cd41e91d07bde
d01b014202d739c9e6912444bb9801ff888c9433909fffd4a1dcea02965a8b4d
34abd99da9010be1
88015b09216326de769478aab51329bd7d99244da3c9413641fb6994b85acbd5
$ niceblack.sh $BH $BC
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