# on receiving block 315948 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-08-03T00:29:06Z
# as written in the block header
2026-08-03T00:29:05Z
$ uptime # since last reboot
00:29:06 up 37 days, 17:00, 0 users, load average: 2.56, 1.88, 1.67
$ battery.sh
174%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1640512 kB
$ du -h -d1 .bitcoin/signet
322M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
521M .bitcoin/signet/blocks
4.0G .bitcoin/signet/chainstate
4.9G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 435G 476G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.1.0 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
315948
$ BH=$(bitcoin-cli -signet getblockhash 315948); echo $BH
0000000074da263dfc4ef5a79d8377144a097805cd3e0adb66a20f59f56b3b37
$ bitcoin-cli -signet getblockheader 0000000074da263dfc4ef5a79d8377144a097805cd3e0adb66a20f59f56b3b37
{
"hash": "0000000074da263dfc4ef5a79d8377144a097805cd3e0adb66a20f59f56b3b37",
"confirmations": 1,
"height": 315948,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "48087047337735dd3b5035952385dd6e6462b58faad9e8286c08a6c52a2233d8",
"time": 1785716945,
"mediantime": 1785715161,
"nonce": 3815732,
"bits": "1d14d6ea",
"target": "00000014d6ea0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04798504544795561,
"chainwork": "00000000000000000000000000000000000000000000000000000f87ae44edcd",
"nTx": 315,
"previousblockhash": "00000011cdcc3dc690138f9764064e3e17888515125912b9121364869499c3b6"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... 74da 263d
fc4e f5a7 9d83 7714
4a.9 78.5 cd3e .adb
66a2 .f59 f56b 3b37
$ : 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
315948 sf: 4a.9 78.5 .adb .f59 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 .
315948 sk: 3b37 a2
$ : 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 .
315948 ak: e3d7 a2
$ : Following is the jointkode
315948 jk: 3b37 e3d7 a2
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 2,
"bytes": 295,
"usage": 2864,
"total_fee": 0.00002480,
"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
214
## Current epoch estimation is +0.54%
## 1452 of 2016, i.e. 72%, 564 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
345372.3859976928
$ bitcoin-cli -signet getnetworkhashps 2016 314495
343484.4943123722
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getblockstats 315948
{
"avgfee": 723,
"avgfeerate": 2,
"avgtxsize": 335,
"blockhash": "0000000074da263dfc4ef5a79d8377144a097805cd3e0adb66a20f59f56b3b37",
"feerate_percentiles": [
0,
0,
1,
2,
6
],
"height": 315948,
"ins": 333,
"maxfee": 31348,
"maxfeerate": 149,
"maxtxsize": 34209,
"medianfee": 308,
"mediantime": 1785715161,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 1582,
"subsidy": 2500000000,
"swtotal_size": 105234,
"swtotal_weight": 328392,
"swtxs": 313,
"time": 1785716945,
"total_out": 1453142804961,
"total_size": 105376,
"total_weight": 328960,
"totalfee": 227129,
"txs": 315,
"utxo_increase": 1249,
"utxo_size_inc": 96654,
"utxo_increase_actual": 1213,
"utxo_size_inc_actual": 91956
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 14619475,
"totalbytessent": 219932612,
"timemillis": 1785716947325,
"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 v31.1.0 signet - server 70016/Satoshi:31.1.0/
ipv4 total block manual
in 3 3
out 11 11 2 1
total 14 14
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1020,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1020
}
}
### 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
945c80b13285680997a1ea22d01569f98076ef5f327e6687a9dad04e49c6ead7
c0528ddd9e8cb6fc
b8fa9fe586c9f35d9ac9d536a68d7e56c86766a62fdae089f27cc18d109d1f69
35e2a230edacc2ab
e25ac210b9607042cdd824d22f58b380636785e49de948be9a3e0095d94d7417
7709899725128d12
f776aa0925d7854004a2f8176c519a85e84bf2920a8ef39ed6c5db4da95d947b
9550b66c9c9a91e5
0dd65b85c1017af9e8f9af208587d1e33904fca7113d0903c26f48bfbea824c9
a4dda9c03849be5c
e3ce8a8e687c699889945d98f119e0fd17b8f2976573f93ea5fd87ca139a107d
c761e59394aaf6ba
21e62e00d1e449629168d3e2c3687110af7cfc375ab5e67f9fcda34d88c5d9bb
a7712197f22ac432
8cca0b8d21fc7448a5dc6839af296a803bef35d5d54f7c4286017352770607f2
c47f9308f875cb6f
a6b900f838396d9db58940bf0e4761036276a149be8feae6f86ca24918fcadc4
d4bf5c8d80d4df66
ea3ad9cf9714d14db9b588b851c7b31f1034f886ccb2418ed7ccbff166cfb0f9
61a4fcdeaa3948aa
aaca5ad05ea451dfbba50a151e395593ba8c15fccaa442ca1aa8f317ee185aa8
8e404a09161466e7
4b8747be16b20ee9f8abb12b149ba3b334fe9c308d75be8509a05adaba35d65b
db17355f97ab1d41
698a6d15e0b6613b612888c3eff2ba4be5fbe7c2daacb4d10141b3470e55c32b
c7f444ee83b86266
f978714ca48788cba8e9702bf6e2aa8bb46e5a0f01ca50a7a495bd87d0d0ccf4
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
___ , ______ __
/ \/|| / || | / \
__/ ||___\_/||__|_\__/
\ | \ | | / \
\___/ |\___/ | | \__/
,----- .123 4567 89ab cdef -----,
| |
| .. .... .... 74da 263d .f |
| 1. fc4e f5a7 9d83 7714 1f |
| 2. 4a.9 78.5 cd3e .adb 2f |
| 3. 66a2 .f59 f56b 3b37 3f |
'=== ==== ==== ==== ==== ==='
jk: 3b37 e3d7 a2