# on receiving block 306553 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-29T14:42:10Z
# as written in the block header
2026-05-29T14:41:55Z
$ uptime # since last reboot
14:42:10 up 71 days, 5:35, 0 users, load average: 2.19, 1.95, 2.41
$ battery.sh
157%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1418708 kB
$ du -h -d1 .bitcoin/signet
299M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
449M .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
306553
$ BH=$(bitcoin-cli -signet getblockhash 306553); echo $BH
00000011140d9b6cd241eba12200800c8847eb3bea6cd3d43d637521a020977c
$ bitcoin-cli -signet getblockheader 00000011140d9b6cd241eba12200800c8847eb3bea6cd3d43d637521a020977c
{
"hash": "00000011140d9b6cd241eba12200800c8847eb3bea6cd3d43d637521a020977c",
"confirmations": 1,
"height": 306553,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "5175862b00b60027db82ab5a8685c5d2a7d6f57b7930aa1932038e16391751c7",
"time": 1780065715,
"mediantime": 1780062206,
"nonce": 111526655,
"bits": "1d1490f5",
"target": "0000001490f50000000000000000000000000000000000000000000000000000",
"difficulty": 0.04862263684784939,
"chainwork": "00000000000000000000000000000000000000000000000000000dc29890b3b2",
"nTx": 375,
"previousblockhash": "0000001129dc24e7bce6577f0e7929819af32e2cd268e8789e530715fed13bb2"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..11 14.d 9b6c
d241 eba1 22.. 8..c
8847 eb3b ea6c d3d4
3d63 7521 a.2. 977c
$ : 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
306553 sf: ..11 14.d 22.. 8..c 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 .
306553 sk: 977c 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 .
306553 ak: 3146 a1
$ : Following is the jointkode
306553 jk: 977c 3146 a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 28,
"bytes": 10455,
"usage": 117640,
"total_fee": 0.00014596,
"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
268
## Current epoch estimation is +0.41%
## 121 of 2016, i.e. 6%, 1895 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
349426.6601474837
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getblockstats 306553
{
"avgfee": 20251,
"avgfeerate": 53,
"avgtxsize": 553,
"blockhash": "00000011140d9b6cd241eba12200800c8847eb3bea6cd3d43d637521a020977c",
"feerate_percentiles": [
1,
1,
1,
3,
3
],
"height": 306553,
"ins": 567,
"maxfee": 7322591,
"maxfeerate": 44245,
"maxtxsize": 44730,
"medianfee": 154,
"mediantime": 1780062206,
"mediantxsize": 205,
"minfee": 0,
"minfeerate": 0,
"mintxsize": 118,
"outs": 2281,
"subsidy": 2500000000,
"swtotal_size": 207029,
"swtotal_weight": 566090,
"swtxs": 373,
"time": 1780065715,
"total_out": 3306725121463,
"total_size": 207147,
"total_weight": 566562,
"totalfee": 7573975,
"txs": 375,
"utxo_increase": 1714,
"utxo_size_inc": 138982,
"utxo_increase_actual": 1672,
"utxo_size_inc_actual": 134604
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 539094552,
"totalbytessent": 14841488554,
"timemillis": 1780065731506,
"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": 1134,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1134
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
20 "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
29a6f4ac6aa43f08af35547819922f5e967641a9d65a94b494c82ac26a695a07
39235a0b1d5527e7
95922c68c22a20fed80df23cd85406c5a305e424c854cbb07950ad67f3190702
a9e407828463a7f3
fda7c5b3505bee36b3a9c66e49ccadaa96d5e2dfc7c3d2f019a54ee4c3bdeba5
c2df4db43254cb32
dca64f72c53dc18778ffb7cdd3dcad00519b68f53dab670373ab683c43de0ae1
6314f8c19fd3f1fc
a787db2d728fe91dc7a58a44c1654f94bcf49fdb219f80d6ffc69a6cfc3c3274
1be57ab10ba0682c
2e7a5cfacffd322fde6ba6dd6a7460bb55d99cda26883b8be36df302a0034eeb
1b223199413e44c3
e69d68281ac73a3c888eabde7e492e2916778acace73bc294cc774c447872155
563b8894485c6787
7727fcfa14ca9b0be638f5d0a50fcaea847be7ac54f5cddd9c794609712e57e4
84ec145dd309a0af
636daac2724b598123f00ba233883e8beb44a26e5904638f23487a0bcd5c749a
f3367d6752fbb126
63a888478434373d773c200615820142394bf0c3fc6d813769ecf82601b9c87d
f0f694d1aa80196f
aa07305ac61937391c69072ef209bbe04f49e987989c0963742a74196240dc63
58b4cd8e45f469e4
dfbebb3fb7831b43c48dd6eaf5586f9ae52039fe41b4f6e4f4f994cf84d0791f
842af9b4332a84d4
9d17f76be6f677edc5ac66990ce5be43592751f321f31cc787f60c4bc85532d8
7116bc61a79199c9
b75b921ea0d58dc3daf286a3af2dc71fa9a7752a8413ef067034fa547425e2f9
b0f29267fad00ff5
43ee8b431933db922b39e237dd0590daccb0a268eb821df40f1c8293cb852673
e9e7aa3289abbf23
a012e27f1b21314de0ad1da2d8aaccacf9061204cf93117df0757860250517df
aeb17eb3af0fc6f5
4fba6409716bab1b06591dab1b6f40947fab95fab1db0b2d2c5cd15a7deeae69
a507f28b5788d59b
6aff74146c41a3f948e71a28aadaa8a2d8f59a694b41fc618e764e66657b5ecd
fcc9499522c3c622
b88a35642b8e9da9bae5709615d82162553c43f3976425edae345c30586bc863
a38dffc35e21539b
5e7e27a8d28eee3df33af01d3fd346ce56dcb75d50fecf364a6b05cb9ac99717
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
____ __ __ ___ ___ ____
|__ // \ / /| __| __|__ /
|_ \ () / _ \__ \__ \|_ \
|___/\__/\___/___/___/___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..11 14.d 9b6c .f |
| 1. d241 eba1 22.. 8..c 1f |
| 2. 8847 eb3b ea6c d3d4 2f |
| 3. 3d63 7521 a.2. 977c 3f |
'=== ==== ==== ==== ==== ==='
jk: 977c 3146 a1