# on receiving block 308673 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-13T07:44:46Z
# as written in the block header
2026-06-13T07:43:53Z
$ uptime # since last reboot
07:44:46 up 85 days, 22:37, 0 users, load average: 1.85, 2.65, 2.87
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1340500 kB
$ du -h -d1 .bitcoin/signet
303M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
482M .bitcoin/signet/blocks
3.8G .bitcoin/signet/chainstate
4.6G .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
308673
$ BH=$(bitcoin-cli -signet getblockhash 308673); echo $BH
0000000857ca346a1fecfc8b33f4fafc9a76e432a99031e7c47d0174ba95f117
$ bitcoin-cli -signet getblockheader 0000000857ca346a1fecfc8b33f4fafc9a76e432a99031e7c47d0174ba95f117
{
"hash": "0000000857ca346a1fecfc8b33f4fafc9a76e432a99031e7c47d0174ba95f117",
"confirmations": 1,
"height": 308673,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "9d03fcfda2edc0bdbbf39ce44080257fd2bd5cae7821f0210039f56e5f9a38fe",
"time": 1781336633,
"mediantime": 1781334983,
"nonce": 428875337,
"bits": "1d146a04",
"target": "000000146a040000000000000000000000000000000000000000000000000000",
"difficulty": 0.04898494610796347,
"chainwork": "00000000000000000000000000000000000000000000000000000e29c268495e",
"nTx": 63,
"previousblockhash": "000000080b39f3bbd9e205ff705a1f9aebd8fea4bc5783a5378b07804ffd4531"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...8 57ca 346a
1fec fc8b 33f4 fafc
9a76 e432 a99. 31e7
c47d .174 ba95 f117
$ : 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
308673 sf: ...8 a99. .174 f117
$ : 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 .
308673 sk: f117 c1
$ : 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 .
308673 ak: 217f c1
$ : Following is the jointkode
308673 jk: f117 217f c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 11,
"bytes": 1802,
"usage": 86088,
"total_fee": 0.00002246,
"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
251
## Current epoch estimation is -0.71%
## 225 of 2016, i.e. 11%, 1791 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
348075.6351557756
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getblockstats 308673
{
"avgfee": 72968,
"avgfeerate": 236,
"avgtxsize": 376,
"blockhash": "0000000857ca346a1fecfc8b33f4fafc9a76e432a99031e7c47d0174ba95f117",
"feerate_percentiles": [
0,
0,
0,
1,
1
],
"height": 308673,
"ins": 75,
"maxfee": 4473573,
"maxfeerate": 27030,
"maxtxsize": 8878,
"medianfee": 154,
"mediantime": 1781334983,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 341,
"subsidy": 2500000000,
"swtotal_size": 23190,
"swtotal_weight": 76104,
"swtxs": 61,
"time": 1781336633,
"total_out": 3101102669187,
"total_size": 23332,
"total_weight": 76672,
"totalfee": 4524068,
"txs": 63,
"utxo_increase": 266,
"utxo_size_inc": 22069,
"utxo_increase_actual": 229,
"utxo_size_inc_actual": 18012
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 859774736,
"totalbytessent": 24062088703,
"timemillis": 1781336687056,
"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
in 7 7
out 10 10 2
total 17 17
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1254,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1254
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
17 "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
ae8d284a550f8f8a
527ba2f4829cec401cb76b76a888d40eda26f56ba524c3c1e94f526fa6f65cc9
e55aabeb2f397365
47a6d96996102e058b47a3faba58147ec28c36474ca6975da14876e68dc91845
a09335b2ea9a0d96
d62b61953e6f57e0f48d2aca7a8987d3e7b9f570802aed0d21ccfbd7f67882a3
c2df4db43254cb32
809d2d908d0511da7c0177fcfa57fb35209d9a7653a4cc3c75c0aed1a367fca9
1e317f594ee5ba7c
c4439c219754a1aeb6a25428bbd55374557a3a35fde044f8bd8edc4d8fcf279e
1be57ab10ba0682c
777b6dabd3ebfd080d588d2a5bf95db0b0c3dabb681ce6a7c01ae9205e5a3319
d3a35fabb60fb123
cb4e7e1ac26d1b2a191f8793a651491cf01a325c6b2909d87cdb0b1e735e44b8
d26dc11e642083e6
1c77c7723830626837def50df91b91fa43b5f98a6a4d2f9bb319db1c89f04973
efc846ec47160038
212a6dbb3622ea29da43a499db74d3dbed6d89a504a724f50eac1442e9d5a880
2542189ad6b471e2
7ca16e3d898b2886337a4503c61e5d435f5baab72ffd5ec8b94d934a82cc87e1
2c92bdda6fb6f85d
080dea085a57af9c41b766b20ee00de6b0d57458c573e699cd6f7c1b0322ecb9
1e9f51c20a4fdbd6
c4ac9bb93ec89eb4059b9559d7d8b038ee672147596c47680df56480a8443d65
e60fa6493b8bae4b
4087b055e971cf237f944261fa7166b3242b5dd34d0833f37dc996388a5a9ac4
aa3c81bfc22b286b
301d29507c9c6014914e7db76b1df345640709e55759bafac7ec3fa0ba026c75
643259fb3c5203e4
86f5ce6a67d532dafbd255733a22aaf64149691c5afa07418d322610ee73b272
861e68452e9c57b3
ed5da6cbae55e9824229d9d5a833f91e9464637674d852b3ac7bade5d1ecd67c
ad12aa51a127d4be
e5ec64a62f72615214a901a0e48048118acf49152ff7e933e509eb40c4a24083
$ niceblack.sh $BH $BC
##### ### #####
# # # # # #
# # # # #
##### # # #####
# # # # #
# # # # # #
##### ### #####
##### ####### #####
# # # # # #
# # #
###### # #####
# # # #
# # # # #
##### # #####
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...8 57ca 346a .f |
| 1. 1fec fc8b 33f4 fafc 1f |
| 2. 9a76 e432 a99. 31e7 2f |
| 3. c47d .174 ba95 f117 3f |
'=== ==== ==== ==== ==== ==='
jk: f117 217f c1