# on receiving block 310836 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-28T18:48:30Z
# as written in the block header
2026-06-28T18:47:52Z
$ uptime # since last reboot
18:48:30 up 2 days, 11:19, 0 users, load average: 0.79, 0.93, 1.12
$ battery.sh
99%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2228468 kB
$ du -h -d1 .bitcoin/signet
305M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
479M .bitcoin/signet/blocks
3.8G .bitcoin/signet/chainstate
4.7G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 436G 476G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.1.0rc1 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
310836
$ BH=$(bitcoin-cli -signet getblockhash 310836); echo $BH
000000034c674b666f16b9919d9c06f1babbb280566adb1941afe639c75fdfc0
$ bitcoin-cli -signet getblockheader 000000034c674b666f16b9919d9c06f1babbb280566adb1941afe639c75fdfc0
{
"hash": "000000034c674b666f16b9919d9c06f1babbb280566adb1941afe639c75fdfc0",
"confirmations": 1,
"height": 310836,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "05cd756aea48a201213c3e0318971a0293781eb6ea2eaab9ab58eeb3db5e3b46",
"time": 1782672472,
"mediantime": 1782669443,
"nonce": 262041951,
"bits": "1d1539c3",
"target": "0000001539c30000000000000000000000000000000000000000000000000000",
"difficulty": 0.04711213096935177,
"chainwork": "00000000000000000000000000000000000000000000000000000e930452c3b9",
"nTx": 39,
"previousblockhash": "000000045d7f2fc25af4cdf93e84c755e64e5c69421334f97bb4f1d65546f136"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...3 4c67 4b66
6f16 b991 9d9c .6f1
babb b28. 566a db19
41af e639 c75f dfc.
$ : 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
310836 sf: ...3 .6f1 b28. dfc.
$ : 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 .
310836 sk: dfc. 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 .
310836 ak: 7.a9 b1
$ : Following is the jointkode
310836 jk: dfc0 7.a9 b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 5,
"bytes": 1155,
"usage": 6976,
"total_fee": 0.00003060,
"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
249
## Current epoch estimation is +1.29%
## 372 of 2016, i.e. 18%, 1644 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
341598.6768125664
$ bitcoin-cli -signet getnetworkhashps 2016 310463
337230.1211738132
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getblockstats 310836
{
"avgfee": 7103,
"avgfeerate": 14,
"avgtxsize": 552,
"blockhash": "000000034c674b666f16b9919d9c06f1babbb280566adb1941afe639c75fdfc0",
"feerate_percentiles": [
0,
0,
0,
0,
1
],
"height": 310836,
"ins": 46,
"maxfee": 143199,
"maxfeerate": 882,
"maxtxsize": 12273,
"medianfee": 14,
"mediantime": 1782669443,
"mediantxsize": 191,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 393,
"subsidy": 2500000000,
"swtotal_size": 20848,
"swtotal_weight": 73090,
"swtxs": 37,
"time": 1782672472,
"total_out": 3080503781980,
"total_size": 20990,
"total_weight": 73658,
"totalfee": 269932,
"txs": 39,
"utxo_increase": 347,
"utxo_size_inc": 27804,
"utxo_increase_actual": 310,
"utxo_size_inc_actual": 23352
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 4041686,
"totalbytessent": 210051326,
"timemillis": 1782672510640,
"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 v31.1.0rc1 signet - server 70016/Satoshi:31.1.0/
ipv4 total block manual
in 2 2
out 11 11 2 1
total 13 13
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 916,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 916
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
10 "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
a90281d6cd9f2ef732dc4d633bad68c56ad34650adae6d4b324e8b64e12dd92e
58cf5f4588d41478
febff202efcc52934dc85abefedd8db006004268cbf17763c7238176775647de
fa08293583b9d96a
bf03a797d433b6d08c52d2c490bdc99a42ac7a8f66faede8dd2780d84b9562da
0023b28c288594d1
d0239e1259b8fc03ca14387c7eb67c8e1fa17859ca0de310bf9e815fece7dc83
531d9e5471001a55
8e987dcd784c7899e867e8dd507324d328805fc1a522ca9df52f6f1245e498bf
ccac5f3d92a6d821
e1a93f5809cf7b80a429211dee065cf6896f649798fc92ac06539a722caeec1f
acbcec5aeca1972b
6e5fc6954ccbb5be60092b083fbe33ef68ad43ce256eee2851200815f66c4534
131ffd1dacd3414b
62f745a173992bcaec3cb8da243004bbbd6c7ec2b40022ff0772a223d9243ad4
4e8c7b7107b6dbfc
8bcdba3d4014f7a8e7ceb2092013575f65f4875015420415316b3c434387b5c5
282fd8d7944a55b9
7a85bbfe873daec42db4f81bbb5c9c70f3ca2d7aeed36b2c4a0da4ff5b903fa9
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
___ , __ __ ___ __
/ \/| / \ / \/ \ /
__/ || |\__/ __/| __
\ || |/ \ \|/ \
\___/ | \__/ \__/\___/ \__/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...3 4c67 4b66 .f |
| 1. 6f16 b991 9d9c .6f1 1f |
| 2. babb b28. 566a db19 2f |
| 3. 41af e639 c75f dfc. 3f |
'=== ==== ==== ==== ==== ==='
jk: dfc. 7.a9 b1