# on receiving block 309606 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-20T04:31:12Z
# as written in the block header
2026-06-20T04:31:09Z
$ uptime # since last reboot
04:31:12 up 92 days, 19:24, 0 users, load average: 2.34, 2.32, 2.28
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1181120 kB
$ du -h -d1 .bitcoin/signet
305M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
551M .bitcoin/signet/blocks
3.8G .bitcoin/signet/chainstate
4.7G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 435G 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
309606
$ BH=$(bitcoin-cli -signet getblockhash 309606); echo $BH
0000000635e96328525b9e1618c340efcc9ecb757c3e106cda5c95c0fc6feb07
$ bitcoin-cli -signet getblockheader 0000000635e96328525b9e1618c340efcc9ecb757c3e106cda5c95c0fc6feb07
{
"hash": "0000000635e96328525b9e1618c340efcc9ecb757c3e106cda5c95c0fc6feb07",
"confirmations": 1,
"height": 309606,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "0282ac71ea6ff3d7005c1bb44d0993e482cb14c5880824866eeeaeb2c6b6e734",
"time": 1781929869,
"mediantime": 1781926595,
"nonce": 18957713,
"bits": "1d146a04",
"target": "000000146a040000000000000000000000000000000000000000000000000000",
"difficulty": 0.04898494610796347,
"chainwork": "00000000000000000000000000000000000000000000000000000e57768ad189",
"nTx": 284,
"previousblockhash": "000000008a9af6ce7c9970733647c2fed8fc85405b2062b2aff6ba7ef9c80301"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...6 35e9 6328
525b 9e16 18c3 4.ef
cc9e cb75 7c3e 1.6c
da5c 95c. fc6f eb.7
$ : 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
309606 sf: ...6 4.ef 1.6c 95c. 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 .
309606 sk: eb.7 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 .
309606 ak: f1eb a1
$ : Following is the jointkode
309606 jk: eb07 f1eb a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 1,
"bytes": 142,
"usage": 84712,
"total_fee": 0.00000480,
"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
238
## Current epoch estimation is -0.6%
## 1158 of 2016, i.e. 57%, 858 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
348435.9479888254
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getblockstats 309606
{
"avgfee": 11319,
"avgfeerate": 25,
"avgtxsize": 515,
"blockhash": "0000000635e96328525b9e1618c340efcc9ecb757c3e106cda5c95c0fc6feb07",
"feerate_percentiles": [
1,
1,
3,
3,
3
],
"height": 309606,
"ins": 313,
"maxfee": 2790644,
"maxfeerate": 16861,
"maxtxsize": 78311,
"medianfee": 154,
"mediantime": 1781926595,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 2651,
"subsidy": 2500000000,
"swtotal_size": 145706,
"swtotal_weight": 503285,
"swtxs": 282,
"time": 1781929869,
"total_out": 3194239676616,
"total_size": 145848,
"total_weight": 503853,
"totalfee": 3203291,
"txs": 284,
"utxo_increase": 2338,
"utxo_size_inc": 186588,
"utxo_increase_actual": 2296,
"utxo_size_inc_actual": 182035
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 998070809,
"totalbytessent": 29184328024,
"timemillis": 1781929872666,
"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 5 5
out 11 11 2 1
total 16 16
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1071,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1071
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
12 "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
a9e407828463a7f3
8723d91baabc6c128df59d5dcfcad63c2d9c50d4cb7041af38b38cfec837ce18
82b27e77426c9cf3
e234f196dc6cac756b95e1f09ad32ab8e2e096915b467639f696835045e78e06
02ce84759fdbc1f1
d4e964fe2f38bc6dfa17fefb887ded2510568c38b1f09dca89a7bd4bd541ee69
a4dda9c03849be5c
396733a2381b1a5ba696d6b796031f65e341b1784cdb174731fc53c20fca528e
ef33457b76d2201b
92892ec21489e49ae656277936b513539a4cc4b7049736231e1280c0f9916b62
d26dc11e642083e6
4888249f39cdb833771fad3380faed358d7541214788464a3e0e3d24f7d520f7
509e8cf1d81d4e1b
ffbb8c187b8d2bfb4277fa0f391270bc73a5b8d78186d4e2ab78c8fdcd010795
2ce2bef7160cebb4
8277b6d6d333cbb1ee2e60bdc85b42e5587a470c1f869fc3362d561c6ffe5efe
b70f5f18268c0e18
4abc9732163b88246db52377e551b1eb8a4c07d479ee352e47ae693568f47477
4e8c7b7107b6dbfc
18e8b037e57cfc357e21bd21c3daede541e9eca3666a6253040e46e43df6153a
d01db75518b29c67
68352435938b15e1e73b0136edccbd1db0417ec45d64635b72df7a9b08f9e3a0
e27a6abcb2948667
2d87826a9c2250506b3591b232bfb734b8ff74457acfbd0076a000bdbd46dcc4
$ niceblack.sh $BH $BC
_____ ____ ____
|__ // __ \/ __ \
/_