# on receiving block 304612 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-16T11:43:54Z
# as written in the block header
2026-05-16T11:43:49Z
$ uptime # since last reboot
11:43:53 up 58 days, 2:36, 0 users, load average: 1.46, 1.94, 2.31
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1595324 kB
$ du -h -d1 .bitcoin/signet
296M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
468M .bitcoin/signet/blocks
3.7G .bitcoin/signet/chainstate
4.5G .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
304612
$ BH=$(bitcoin-cli -signet getblockhash 304612); echo $BH
00000009c91ef391a1f6c37d2ecc586f5d1b363fee9bc8a609838312e00e277e
$ bitcoin-cli -signet getblockheader 00000009c91ef391a1f6c37d2ecc586f5d1b363fee9bc8a609838312e00e277e
{
"hash": "00000009c91ef391a1f6c37d2ecc586f5d1b363fee9bc8a609838312e00e277e",
"confirmations": 1,
"height": 304612,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "3f5fae5aff69f08d3c8278d116e91d46d5876d2eb26dce624f4739ce6a8888c0",
"time": 1778931829,
"mediantime": 1778929950,
"nonce": 32387995,
"bits": "1d15102a",
"target": "00000015102a0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04747557581386184,
"chainwork": "00000000000000000000000000000000000000000000000000000d664df4c2f4",
"nTx": 125,
"previousblockhash": "0000000f6df36817b1b053bc6e8ea282b7a3c5d33b5fa8f0df7335beb6e5cc6c"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...9 c91e f391
a1f6 c37d 2ecc 586f
5d1b 363f ee9b c8a6
.983 8312 e..e 277e
$ : 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
304612 sf: ...9 .983 e..e 277e
$ : 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 .
304612 sk: 277e c1
$ : 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 .
304612 ak: 2e56 c1
$ : Following is the jointkode
304612 jk: 277e 2e56 c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 1,
"bytes": 142,
"usage": 25416,
"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
280
## Current epoch estimation is +0.07%
## 196 of 2016, i.e. 9%, 1820 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
339828.3159303443
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getnetworkhashps 2016 302399
342474.190435588
$ bitcoin-cli -signet getblockstats 304612
{
"avgfee": 160895,
"avgfeerate": 413,
"avgtxsize": 530,
"blockhash": "00000009c91ef391a1f6c37d2ecc586f5d1b363fee9bc8a609838312e00e277e",
"feerate_percentiles": [
1,
1,
1,
1,
1
],
"height": 304612,
"ins": 229,
"maxfee": 19850994,
"maxfeerate": 119945,
"maxtxsize": 21113,
"medianfee": 154,
"mediantime": 1778929950,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 855,
"subsidy": 2500000000,
"swtotal_size": 65660,
"swtotal_weight": 192248,
"swtxs": 123,
"time": 1778931829,
"total_out": 3144698901486,
"total_size": 65802,
"total_weight": 192816,
"totalfee": 19951033,
"txs": 125,
"utxo_increase": 626,
"utxo_size_inc": 48165,
"utxo_increase_actual": 588,
"utxo_size_inc_actual": 44021
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 305426393,
"totalbytessent": 7926481355,
"timemillis": 1778931834797,
"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 8 8
out 12 12 3 1
total 20 20
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1004,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1004
}
}
### 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
82b27e77426c9cf3
be10f9fe00a0a33fad40d9d4824cb308bb9dfd771b14e13c9ed63291ded4e054
58cf5f4588d41478
6a708bd4b333800eb2e587edc870b68c062a06837d5337bd56e26d4c40ed948e
a5ca79adcadc71df
905a408f1f0d2ee01f051e42b641284f256b9c5204d89bd67aa0fd93a04b68da
531d9e5471001a55
b5ed87458425678d54d732ce65410848832fe4ca8b17eb6e892c85a3ff7ffd77
7985d4e63c59dc4d
d79da79712602bab1275862a8d76e1aaae22f490ce2c9edd88b6e306e74f8b7d
f2734dfe2ce64686
c368a2861d33949f2178382a7478b85e30e9d725c9d6c0b222d88cb6ee3801bc
57faa3297ecbe82d
14dbd53ae5d5f95d288a3b4b792ab9b381b82b8298d7721e10dad47495b3ab99
9550b66c9c9a91e5
f12fbed2deac06918e376b9b633441ef5aef2403c3a048bd595bdfa9e82f929d
79fc388c2941734e
39fb3510fd10f9c81142da3523617f1e25c5bcba650d24d032697feb5e8b5973
4b4cd050a957bd80
90f00cc786fd5e680b30c952033cb7a6bb39093892e6e2aeeffa41ded5a27439
776a9fd72a44bc6a
15535240198200f241dac20b38f629126d71ef1be7ec67c1763e27a9d67f55a7
e97e88689f62c1d3
2d215d6c475145e5a4c01634821b063dcad2c1768c5ab9cd3b63f41a1f03d12b
a0ebde344ffe0d50
4a99bacb9a792641c5d24998b32efc0e7a95554d37232f1fd2cc2836a0c2dc82
ec4079c305b99351
31c60ce60d53450d7f1a123d280ba8408384b4583d30518de55084fd7a3367c9
$ niceblack.sh $BH $BC
__ __ __
/ / / /__ ____/ /__
/ _ \/ / _ \/ __/ '_/
/_.__/_/\___/\__/_/\_\
____ ___ ____ __________
|_ // _ \/ / // __< /_ |
_/_