# on receiving block 309505 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-19T10:35:55Z
# as written in the block header
2026-06-19T10:35:29Z
$ uptime # since last reboot
10:35:54 up 92 days, 1:28, 0 users, load average: 2.84, 2.30, 2.12
$ battery.sh
157%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1162068 kB
$ du -h -d1 .bitcoin/signet
305M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
535M .bitcoin/signet/blocks
3.8G .bitcoin/signet/chainstate
4.7G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 436G 476G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.0.0rc4 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
309505
$ BH=$(bitcoin-cli -signet getblockhash 309505); echo $BH
00000000877f7e980c443dc98f4b231d51f5e908f6dd00fd2899a5fa54c50120
$ bitcoin-cli -signet getblockheader 00000000877f7e980c443dc98f4b231d51f5e908f6dd00fd2899a5fa54c50120
{
"hash": "00000000877f7e980c443dc98f4b231d51f5e908f6dd00fd2899a5fa54c50120",
"confirmations": 1,
"height": 309505,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "080951188a1e636aa1e47baf3ed434831788a0537e1b2e3ed0ecc997732bfe0e",
"time": 1781865329,
"mediantime": 1781863981,
"nonce": 206542717,
"bits": "1d146a04",
"target": "000000146a040000000000000000000000000000000000000000000000000000",
"difficulty": 0.04898494610796347,
"chainwork": "00000000000000000000000000000000000000000000000000000e5283f7da1e",
"nTx": 37,
"previousblockhash": "00000004fe91481012e9527b2ce32bb4165b8fb5a7ef2544d4875e490e12cfc6"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... 877f 7e98
.c44 3dc9 8f4b 231d
51f5 e9.8 f6dd ..fd
2899 a5fa 54c5 .12.
$ : 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
309505 sf: .c44 e9.8 ..fd .12.
$ : 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 .
309505 sk: .12. a2
$ : 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 .
309505 ak: f267 a2
$ : Following is the jointkode
309505 jk: 0120 f267 a2
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 6,
"bytes": 1660,
"usage": 93296,
"total_fee": 0.00983153,
"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
220
## Current epoch estimation is -0.97%
## 1057 of 2016, i.e. 52%, 959 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
347147.8092154544
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getblockstats 309505
{
"avgfee": 43923,
"avgfeerate": 147,
"avgtxsize": 470,
"blockhash": "00000000877f7e980c443dc98f4b231d51f5e908f6dd00fd2899a5fa54c50120",
"feerate_percentiles": [
0,
0,
0,
2,
5
],
"height": 309505,
"ins": 47,
"maxfee": 1540656,
"maxfeerate": 9309,
"maxtxsize": 3664,
"medianfee": 14,
"mediantime": 1781863981,
"mediantxsize": 191,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 118,
"outs": 138,
"subsidy": 2500000000,
"swtotal_size": 16829,
"swtotal_weight": 42533,
"swtxs": 35,
"time": 1781865329,
"total_out": 3276713666982,
"total_size": 16947,
"total_weight": 43005,
"totalfee": 1581258,
"txs": 37,
"utxo_increase": 91,
"utxo_size_inc": 8363,
"utxo_increase_actual": 54,
"utxo_size_inc_actual": 4332
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 981379358,
"totalbytessent": 28657679557,
"timemillis": 1781865355411,
"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 v31.0.0rc4 signet - server 70016/Satoshi:31.0.0/
ipv4 total block manual
in 6 6
out 11 11 2 1
total 17 17
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1089,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1089
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
14 "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
7d27257fcc87eff6
c72f9ccdc4f2fe6827871bbcdb3d87728dd8135438801b55cc9938b44e002bca
a9e407828463a7f3
8723d91baabc6c128df59d5dcfcad63c2d9c50d4cb7041af38b38cfec837ce18
82b27e77426c9cf3
e234f196dc6cac756b95e1f09ad32ab8e2e096915b467639f696835045e78e06
02ce84759fdbc1f1
d4e964fe2f38bc6dfa17fefb887ded2510568c38b1f09dca89a7bd4bd541ee69
a4dda9c03849be5c
396733a2381b1a5ba696d6b796031f65e341b1784cdb174731fc53c20fca528e
ef33457b76d2201b
92892ec21489e49ae656277936b513539a4cc4b7049736231e1280c0f9916b62
d26dc11e642083e6
4888249f39cdb833771fad3380faed358d7541214788464a3e0e3d24f7d520f7
509e8cf1d81d4e1b
ffbb8c187b8d2bfb4277fa0f391270bc73a5b8d78186d4e2ab78c8fdcd010795
2ce2bef7160cebb4
8277b6d6d333cbb1ee2e60bdc85b42e5587a470c1f869fc3362d561c6ffe5efe
b70f5f18268c0e18
4abc9732163b88246db52377e551b1eb8a4c07d479ee352e47ae693568f47477
45ed3cc4b3ee424c
52b66382a34d361e1f3865c2652084690abd287bef4f75860e286aa727fd12cb
073863b4569202fb
58cdcb77c92e34a277f8fc5b318662653042aac2b13d84e4e85bad6b287a384c
4e8c7b7107b6dbfc
18e8b037e57cfc357e21bd21c3daede541e9eca3666a6253040e46e43df6153a
a28db1bb2a1b18e3
26d8877d886423ab4dd4e6d175b81026ea42ca7c4e095df1cf822a0a9b91ce64
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
____ __ ___ ___ __ ___
|__ // \/ _ \ __|/ \| __|
|_ \ () \_, /__ \ () |__ \
|___/\__/ /_/|___/\__/|___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... .... 877f 7e98 .f |
| 1. .c44 3dc9 8f4b 231d 1f |
| 2. 51f5 e9.8 f6dd ..fd 2f |
| 3. 2899 a5fa 54c5 .12. 3f |
'=== ==== ==== ==== ==== ==='
jk: .12. f267 a2