# on receiving block 307852 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-07T20:35:21Z
# as written in the block header
2026-06-07T20:34:38Z
$ uptime # since last reboot
20:35:20 up 80 days, 11:28, 0 users, load average: 1.93, 2.33, 2.60
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1314228 kB
$ du -h -d1 .bitcoin/signet
301M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
556M .bitcoin/signet/blocks
3.7G .bitcoin/signet/chainstate
4.6G .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
307852
$ BH=$(bitcoin-cli -signet getblockhash 307852); echo $BH
000000013c897af48c5b770cd6e64add963bf8e4b487865a4608539e02612a8a
$ bitcoin-cli -signet getblockheader 000000013c897af48c5b770cd6e64add963bf8e4b487865a4608539e02612a8a
{
"hash": "000000013c897af48c5b770cd6e64add963bf8e4b487865a4608539e02612a8a",
"confirmations": 2,
"height": 307852,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "629919ec77a91c6fe4d16a653daa1506e686c84a9193911b74d8b2af46a13c01",
"time": 1780864478,
"mediantime": 1780863440,
"nonce": 344570185,
"bits": "1d1490f5",
"target": "0000001490f50000000000000000000000000000000000000000000000000000",
"difficulty": 0.04862263684784939,
"chainwork": "00000000000000000000000000000000000000000000000000000e01c1fa6249",
"nTx": 58,
"previousblockhash": "000000003c53e2beb83384ed7ad11d7f24c008a6ae0140fca92a2dfd2e1b394a",
"nextblockhash": "0000000b8a5d42bdd772fddc72bef32cf4c6f76a7cf5c5232551ed89d97cc4f2"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...1 3c89 7af4
8c5b 77.c d6e6 4add
963b f8e4 b487 865a
46.8 539e .261 2a8a
$ : 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
307852 sf: ...1 77.c 46.8 .261 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 .
307852 sk: 2a8a 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 .
307852 ak: 4.6f b1
$ : Following is the jointkode
307852 jk: 2a8a 4.6f b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 5,
"bytes": 1561,
"usage": 72856,
"total_fee": 0.00256557,
"maxmempool": 300000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000,
"limitclustercount": 25,
"limitclustersize": 101000,
"optimal": true
}
$ gmm.sh
263
## Current epoch estimation is -1.1%
## 1420 of 2016, i.e. 70%, 596 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
344130.518736002
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getblockstats 307852
{
"avgfee": 51497,
"avgfeerate": 70,
"avgtxsize": 854,
"blockhash": "000000013c897af48c5b770cd6e64add963bf8e4b487865a4608539e02612a8a",
"feerate_percentiles": [
0,
1,
1,
1,
1
],
"height": 307852,
"ins": 80,
"maxfee": 2898474,
"maxfeerate": 17513,
"maxtxsize": 5339,
"medianfee": 154,
"mediantime": 1780863440,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 1068,
"subsidy": 2500000000,
"swtotal_size": 48561,
"swtotal_weight": 166311,
"swtxs": 56,
"time": 1780864478,
"total_out": 3325197277334,
"total_size": 48703,
"total_weight": 166879,
"totalfee": 2935363,
"txs": 58,
"utxo_increase": 988,
"utxo_size_inc": 72901,
"utxo_increase_actual": 951,
"utxo_size_inc_actual": 68844
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 750457904,
"totalbytessent": 20714398975,
"timemillis": 1780864521672,
"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 2 2
out 11 11 2 1
total 13 13
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1268,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1268
}
}
### 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
efc846ec47160038
96269a130d89552a9f737bfb3f4bddbf3a01f2f1ca9895ba5c59e5d015acbe94
9c92af8aca057984
701608410c0af3d20bfd1be1cd2132402d6550db7715a0ea6885af2028c8192d
2210ce7d3be228b6
73cbd11ce85a2397abf204ff765ef2cde3781be65941b4d17c2476cce9443a8e
2c92bdda6fb6f85d
1d457d6b9a05a9e8dd8ec86a946054780b343adb47ac7d1356ddc2850deba8eb
f2734dfe2ce64686
e3e2ebcb081a7c55e9bb65cbed9d00141854ea6794cd0f33e2ea2f070689fc75
563b8894485c6787
02c22093f8c98db7320d693c8b2ca21e7bdf9c111c5702d16d4264bd12a11552
a8e0ddb58abca302
c952478e7cd9e517f1228aa92b5c4175faf3835658ef1b4100e00f76373865f0
1be57ab10ba0682c
9092ad00a0a9d043c32c53ca882e64adfd1f7f398b2f001944ee56ce67da8de5
82b27e77426c9cf3
5bf5bfc1484a1dac481457b1b316b8d3e8dc289a891b876b10557c66477f5a83
2ad3fe8299c6645e
92538c9117e4c7874db46281af7e1de2b928402ca06db000b34030d246c2fcae
$ niceblack.sh $BH $BC
__ __ __
/ / / /__ ____/ /__
/ _ \/ / _ \/ __/ '_/
/_.__/_/\___/\__/_/\_\
____ ___ _______ ____ ___
|_ // _ \/_ ( _ )/ __/|_ |
_/_