# on receiving block 300521 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-17T20:29:12Z
# as written in the block header
2026-04-17T20:28:39Z
$ uptime # since last reboot
20:29:12 up 29 days, 11:22, 0 users, load average: 2.50, 2.06, 1.91
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1918816 kB
$ du -h -d1 .bitcoin/signet
289M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
574M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.5G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 434G 477G 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
300521
$ BH=$(bitcoin-cli -signet getblockhash 300521); echo $BH
0000000bbe46313603c8bcf25d4766e53c7270c46a37df73022d442da83abb55
$ bitcoin-cli -signet getblockheader 0000000bbe46313603c8bcf25d4766e53c7270c46a37df73022d442da83abb55
{
"hash": "0000000bbe46313603c8bcf25d4766e53c7270c46a37df73022d442da83abb55",
"confirmations": 1,
"height": 300521,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "6359a3cea8f74dd7d1bc061702db2e465f428b539342c1bf4b9746b4c5bd7934",
"time": 1776457719,
"mediantime": 1776454662,
"nonce": 268673137,
"bits": "1d14a616",
"target": "00000014a6160000000000000000000000000000000000000000000000000000",
"difficulty": 0.0484282882981412,
"chainwork": "00000000000000000000000000000000000000000000000000000ca17eae0640",
"nTx": 114,
"previousblockhash": "0000000e4fab933ff721e3a77fea271f02550a0203a1ad7ba0281aaf8779086b"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...b be46 3136
.3c8 bcf2 5d47 66e5
3c72 7.c4 6a37 df73
.22d 442d a83a bb55
$ : 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
300521 sf: ...b .3c8 7.c4 .22d 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 .
300521 sk: bb55 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 .
300521 ak: a77e b1
$ : Following is the jointkode
300521 jk: bb55 a77e b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 5,
"bytes": 1490,
"usage": 22128,
"total_fee": 0.00001959,
"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
265
## Current epoch estimation is -0.31%
## 137 of 2016, i.e. 6%, 1879 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
345388.0519290547
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getblockstats 300521
{
"avgfee": 1686,
"avgfeerate": 3,
"avgtxsize": 633,
"blockhash": "0000000bbe46313603c8bcf25d4766e53c7270c46a37df73022d442da83abb55",
"feerate_percentiles": [
1,
1,
2,
2,
10
],
"height": 300521,
"ins": 251,
"maxfee": 61048,
"maxfeerate": 12,
"maxtxsize": 23261,
"medianfee": 327,
"mediantime": 1776454662,
"mediantxsize": 237,
"minfee": 21,
"minfeerate": 0,
"mintxsize": 118,
"outs": 975,
"subsidy": 2500000000,
"swtotal_size": 71475,
"swtotal_weight": 202797,
"swtxs": 112,
"time": 1776457719,
"total_out": 3267780977059,
"total_size": 71593,
"total_weight": 203269,
"totalfee": 190591,
"txs": 114,
"utxo_increase": 724,
"utxo_size_inc": 53235,
"utxo_increase_actual": 683,
"utxo_size_inc_actual": 50148
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 129872512,
"totalbytessent": 3443526810,
"timemillis": 1776457753255,
"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 12 12
out 11 11 2 1
total 23 23
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1494,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1494
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
13 "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
b07a85f145b99acc9d4d5ba59a2394ddbc2df0b83b426721cebb5809000afa72
9550b66c9c9a91e5
15425ea4f148d1507f3c09828f04964ce1573056b00cff5e45d48e2c7331418d
4c5cd41e91d07bde
ed12296075c9fc334c40627e4b77cd75d7a00165817f120a5dac29bbb017febb
38bf311b23e78a53
b1b8b20f3d5fd3a4644d7cd3a6d292be44e1752be93d5b05e534f168a9a3b465
f78ac7a6ec9d7800
a5162e07985a0ad6082d26cc8ce21edc09c1e7445b73b2731e6ae647a73e846d
c783c4b8210e776c
e5c71cc4d392f685f6cc0e62dcbb60f789a793827824eaa8f534b2a8aaa2eec3
54f960a8ec22498c
7a546d3938695e02ab89bbe9b688ee446a7fd1c0f0468de956ee5d1a4ca6e803
9d144ef2a896d595
ba99014d0534063312bbb3294c9cd2962803ccdd050c0950a000ef5d10f79c45
1bf41e7ef3adf47f
5358a6394db5c72138a94b2d2bee81c729458ec897619234f6e86bf7facde9e9
1f5e98550c1c83ed
de125394abc754c21fe00397109bd80c74abe2fe025db1ea800db9149a7a4434
c657cd553250bd71
892db23772224b76aa7076a805827d5a17ded37def10fa6aba18a3f42acb1613
6701c691bdabd7bd
410c275320f9ea6262f305c028a490bc5592ffef1109375e5cd473ad6d5ba2d4
12e9d224ecdd7644
7013d7dbb3871d26c326c6a275ead2618e11f643f89a73d948c8f3baaca4a8a7
$ niceblack.sh $BH $BC
_|_|_| _| _|
_| _| _| _| _|
_|_| _| _| _| _|
_| _| _| _| _|
_|_|_| _| _|
_|_|_|_| _|_| _|
_| _| _| _|_|
_|_|_| _| _|
_| _| _|
_|_|_| _|_|_|_| _|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...b be46 3136 .f |
| 1. .3c8 bcf2 5d47 66e5 1f |
| 2. 3c72 7.c4 6a37 df73 2f |
| 3. .22d 442d a83a bb55 3f |
'=== ==== ==== ==== ==== ==='
jk: bb55 a77e b1