# on receiving block 299027 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-07T16:13:37Z
# as written in the block header
2026-04-07T16:13:24Z
$ uptime # since last reboot
16:13:36 up 19 days, 7:06, 0 users, load average: 1.20, 1.03, 1.23
$ battery.sh
95%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1830456 kB
$ du -h -d1 .bitcoin/signet
286M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
574M .bitcoin/signet/blocks
3.5G .bitcoin/signet/chainstate
4.4G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 434G 478G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.0rc2 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
299027
$ BH=$(bitcoin-cli -signet getblockhash 299027); echo $BH
0000000b4af9858bc1275c22fdc211827526ab8909ad5ad6ef196a5c5127a2c0
$ bitcoin-cli -signet getblockheader 0000000b4af9858bc1275c22fdc211827526ab8909ad5ad6ef196a5c5127a2c0
{
"hash": "0000000b4af9858bc1275c22fdc211827526ab8909ad5ad6ef196a5c5127a2c0",
"confirmations": 1,
"height": 299027,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "c9457eae6ffe6bdd5e0b1fe5432336cc4b2baaa9adcb4b421351aa4ec4b212aa",
"time": 1775578404,
"mediantime": 1775575779,
"nonce": 72115299,
"bits": "1d1543df",
"target": "0000001543df0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04702464282152162,
"chainwork": "00000000000000000000000000000000000000000000000000000c5b0b956c40",
"nTx": 477,
"previousblockhash": "000000110368aee8219dec13876168f645f76aebba3906f742b39f6eebb55bed"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...b 4af9 858b
c127 5c22 fdc2 1182
7526 ab89 .9ad 5ad6
ef19 6a5c 5127 a2c.
$ : 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
299027 sf: ...b .9ad a2c.
$ : 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 .
299027 sk: a2c. 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 .
299027 ak: 454a c1
$ : Following is the jointkode
299027 jk: a2c0 454a c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 6,
"bytes": 1153,
"usage": 20080,
"total_fee": 0.00003431,
"maxmempool": 100000000,
"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
243
## Current epoch estimation is +0.49%
## 659 of 2016, i.e. 32%, 1357 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
338138.2817024835
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getnetworkhashps 2016 296351
334019.4023418721
$ bitcoin-cli -signet getblockstats 299027
{
"avgfee": 1101,
"avgfeerate": 2,
"avgtxsize": 550,
"blockhash": "0000000b4af9858bc1275c22fdc211827526ab8909ad5ad6ef196a5c5127a2c0",
"feerate_percentiles": [
1,
1,
1,
2,
2
],
"height": 299027,
"ins": 1353,
"maxfee": 86000,
"maxfeerate": 500,
"maxtxsize": 40706,
"medianfee": 297,
"mediantime": 1775575779,
"mediantxsize": 235,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 126,
"outs": 2414,
"subsidy": 2500000000,
"swtotal_size": 261812,
"swtotal_weight": 707060,
"swtxs": 475,
"time": 1775578404,
"total_out": 2599477797570,
"total_size": 261938,
"total_weight": 707564,
"totalfee": 524411,
"txs": 477,
"utxo_increase": 1061,
"utxo_size_inc": 78036,
"utxo_increase_actual": 1022,
"utxo_size_inc_actual": 75180
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 158332353,
"totalbytessent": 4134207267,
"timemillis": 1775578419239,
"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 v31.0rc2 signet - server 70016/Satoshi:31.0.0/
ipv4 total block manual
in 16 16
out 11 11 2 1
total 27 27
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 2100,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 2100
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
22 "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
0a92b65ac46b53d082e70794aab170bd5c70043a414da5046e22c568a075cdf6
a4dda9c03849be5c
bedee120a055427e743fec9621aa4392dc5eb06fcd31a77edbe87f3d5171236d
efc846ec47160038
6d9415c2142442511d59022ca1fbaa86d0e1130fb9a2d3700033173c27fafbcc
4645feb2cf906cd2
0f3feb10252c3b749e7d56aa6b90bb3c57269e3d7b6c55a1ccf316288d3be0bb
f17ef791f09a6e12
3a084ac7af98dbbac38628681176f9669cc4d167557129901a1ebeb025a0b7f0
6314f8c19fd3f1fc
272092ca6dc2252a8c485553a5122ce9fdee6a3fd25efee9664a9221e18d4521
25eff2e4dab12773
9bfd1bbed0b1bf78b9d6010ae7996a25167c40b739511816c046f0dbcc3bdcb5
25d7deb7244b961c
085130003f100968f8f8e263e644e9d4b120dbd08513d389f2c0b086f33d1f61
cbf8b7e0dd039640
fce627dc9f9f5b50cabb7ff597741eb7439c6532982059fe0f522d32934ecff3
2422645f1d448cf3
e758b14992d11517b8ab82ac1387bdb98d2a55ef7000a86482812765763f4d12
855fa5c65f77090f
8b31211984ddbdad3b346823dcdd08aa082d6a83a2c82ff0e0a97b686c464eeb
b09801c8a5a79312
568eed678b72b240041b39208bef1c45c36ba242df3a20bd6d72d041c58bc68c
0c79d6dcb579b8b5
15ffffe6a135fcd915256d12cf6c3c5076aae0d9ca1472c0593af609d8b947eb
8c29563175697809
4c4b76037b5bc310ad47e107ed7db5753940ab5d6a18d5296a135d17287bda91
814f6acbc81d3cc7
8c3a7e65e9a06d7d09038efa4ffeaa9acfaae5a34b5729309e3fec04d99c81e2
4c5cd41e91d07bde
e4d3d852ccdec5255a03c622db015ffba1a8fec3c6cdcd3f4fc7db61b9f1db68
c06bed18f83c5171
5ae9c3be0b87fb73e85ddf54621716997c67c2fc023e5f6806b18d71551ebbca
0c4108d22ebb2a5c
4f8bd4747ebb4ef5b3b88f6b96dc81ef8347fca133a11e1053c4f7e5eec33873
123ff14274f3ddf0
8ae9a66648c29bdc4872290e9166a69c700ea39f15b64d15fe692a8975ebbb6f
45742757f8092b93
8f1a0bed9d16aaa0cef4564b4ee2ab37e167569185a509c83d12ffa3a04f6fd6
bee88a819626891c
44c268220702acf69bf439fb1c15c3f6d7196699f4c3cbfe5d782fdd5fc47f52
d163fbf4019f3f66
ad6cacee1779393dd822322753c22c196727afa109880629ba100dc7defb7825
$ niceblack.sh $BH $BC
_|_| _|_| _|_|
_| _| _| _| _| _|
_| _|_|_| _|_|_|
_| _| _|
_|_|_|_| _|_|_| _|_|_|
_| _|_| _|_|_|_|_|
_| _| _| _| _|
_| _| _| _|
_| _| _| _|
_| _|_|_|_| _|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...b 4af9 858b .f |
| 1. c127 5c22 fdc2 1182 1f |
| 2. 7526 ab89 .9ad 5ad6 2f |
| 3. ef19 6a5c 5127 a2c. 3f |
'=== ==== ==== ==== ==== ==='
jk: a2c. 454a c1