# on receiving block 306846 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-31T17:26:22Z
# as written in the block header
2026-05-31T17:24:39Z
$ uptime # since last reboot
17:26:21 up 73 days, 8:19, 0 users, load average: 2.37, 2.29, 2.28
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1462572 kB
$ du -h -d1 .bitcoin/signet
300M .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
306846
$ BH=$(bitcoin-cli -signet getblockhash 306846); echo $BH
0000000b4ede3b1d3e32dc0ecbc1aba752caf60006cdab9bb693a63eee13b886
$ bitcoin-cli -signet getblockheader 0000000b4ede3b1d3e32dc0ecbc1aba752caf60006cdab9bb693a63eee13b886
{
"hash": "0000000b4ede3b1d3e32dc0ecbc1aba752caf60006cdab9bb693a63eee13b886",
"confirmations": 1,
"height": 306846,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "a78f65e63f4496069c6b3cc6008f33989463af8a99ba8d0944cb8c9c2b8076ed",
"time": 1780248279,
"mediantime": 1780242437,
"nonce": 833060321,
"bits": "1d1490f5",
"target": "0000001490f50000000000000000000000000000000000000000000000000000",
"difficulty": 0.04862263684784939,
"chainwork": "00000000000000000000000000000000000000000000000000000dd0d7b526f3",
"nTx": 247,
"previousblockhash": "00000013afa6b348589cb455980be9785c69278d92c9906ac2d91673de623a1b"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...b 4ede 3b1d
3e32 dc.e cbc1 aba7
52ca f6.. .6cd ab9b
b693 a63e ee13 b886
$ : 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
306846 sf: ...b dc.e f6.. .6cd 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 .
306846 sk: b886 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 .
306846 ak: b836 b1
$ : Following is the jointkode
306846 jk: b886 b836 b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 22,
"bytes": 6650,
"usage": 81824,
"total_fee": 0.00007220,
"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
283
## Current epoch estimation is -0.16%
## 414 of 2016, i.e. 20%, 1602 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
347395.1378361583
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getblockstats 306846
{
"avgfee": 11526,
"avgfeerate": 22,
"avgtxsize": 730,
"blockhash": "0000000b4ede3b1d3e32dc0ecbc1aba752caf60006cdab9bb693a63eee13b886",
"feerate_percentiles": [
1,
1,
1,
2,
2
],
"height": 306846,
"ins": 669,
"maxfee": 2645164,
"maxfeerate": 15982,
"maxtxsize": 69380,
"medianfee": 154,
"mediantime": 1780242437,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 1909,
"subsidy": 2500000000,
"swtotal_size": 179642,
"swtotal_weight": 494195,
"swtxs": 245,
"time": 1780248279,
"total_out": 3083405393076,
"total_size": 179784,
"total_weight": 494763,
"totalfee": 2835530,
"txs": 247,
"utxo_increase": 1240,
"utxo_size_inc": 97608,
"utxo_increase_actual": 1202,
"utxo_size_inc_actual": 93492
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 589013917,
"totalbytessent": 16403747031,
"timemillis": 1780248382474,
"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": 1105,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1105
}
}
### 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
aeb17eb3af0fc6f5
4fba6409716bab1b06591dab1b6f40947fab95fab1db0b2d2c5cd15a7deeae69
fcc9499522c3c622
b88a35642b8e9da9bae5709615d82162553c43f3976425edae345c30586bc863
b0d884c7c6af050b
ea430a93a175feff7bad10b4861665ec557cd06f500bbb80e9f78997fc91397d
c2d7bb05d2437965
4026cd4f293967da56e3536216b62e396ec2323282ca0bab15f87a51245c0fa7
4a0f38d5a50605a5
422ca2a5a2c1c3fea8d25cdfd5a8312980d4ceb368ea72d801836520e3a10fc3
$ niceblack.sh $BH $BC
##### ### #####
# # # # # #
# # # #
##### # # ######
# # # # #
# # # # # #
##### ### #####
##### # #####
# # # # # #
# # # # #
##### # # ######
# # ####### # #
# # # # #
##### # #####
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...b 4ede 3b1d .f |
| 1. 3e32 dc.e cbc1 aba7 1f |
| 2. 52ca f6.. .6cd ab9b 2f |
| 3. b693 a63e ee13 b886 3f |
'=== ==== ==== ==== ==== ==='
jk: b886 b836 b1