# on receiving block 311631 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-04T01:12:27Z
# as written in the block header
2026-07-04T01:12:03Z
$ uptime # since last reboot
01:12:27 up 7 days, 17:43, 0 users, load average: 0.47, 0.59, 0.72
$ battery.sh
99%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1890748 kB
$ du -h -d1 .bitcoin/signet
307M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
530M .bitcoin/signet/blocks
3.9G .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
311631
$ BH=$(bitcoin-cli -signet getblockhash 311631); echo $BH
000000017d5b938fcc74724fa2c49fd74a6b17811c50f96f151feba4cec49ae7
$ bitcoin-cli -signet getblockheader 000000017d5b938fcc74724fa2c49fd74a6b17811c50f96f151feba4cec49ae7
{
"hash": "000000017d5b938fcc74724fa2c49fd74a6b17811c50f96f151feba4cec49ae7",
"confirmations": 1,
"height": 311631,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "984ed8db0a5b42c5d84dfb5aec5f564ae9c3579d205e3f50e7794ebcddf97316",
"time": 1783127523,
"mediantime": 1783126650,
"nonce": 63955335,
"bits": "1d1539c3",
"target": "0000001539c30000000000000000000000000000000000000000000000000000",
"difficulty": 0.04711213096935177,
"chainwork": "00000000000000000000000000000000000000000000000000000eb878bb0110",
"nTx": 38,
"previousblockhash": "000000013524846e36ca2665eb75bed8ee6cea72a55b117691f7fbd093eb5958"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...1 7d5b 938f
cc74 724f a2c4 9fd7
4a6b 1781 1c5. f96f
151f eba4 cec4 9ae7
$ : 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
311631 sf: ...1 1c5. 9ae7
$ : 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 .
311631 sk: 9ae7 d1
$ : 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 .
311631 ak: 7fb. d1
$ : Following is the jointkode
311631 jk: 9ae7 7fb. d1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 3,
"bytes": 734,
"usage": 16376,
"total_fee": 0.00006822,
"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
208
## Current epoch estimation is +3.21%
## 1167 of 2016, i.e. 57%, 849 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
348062.4234586623
$ bitcoin-cli -signet getnetworkhashps 2016 310463
337230.1211738132
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getblockstats 311631
{
"avgfee": 13989,
"avgfeerate": 21,
"avgtxsize": 783,
"blockhash": "000000017d5b938fcc74724fa2c49fd74a6b17811c50f96f151feba4cec49ae7",
"feerate_percentiles": [
0,
0,
0,
0,
5
],
"height": 311631,
"ins": 65,
"maxfee": 388891,
"maxfeerate": 265,
"maxtxsize": 13134,
"medianfee": 14,
"mediantime": 1783126650,
"mediantxsize": 191,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 190,
"outs": 420,
"subsidy": 2500000000,
"swtotal_size": 28994,
"swtotal_weight": 96593,
"swtxs": 37,
"time": 1783127523,
"total_out": 3124556787113,
"total_size": 28994,
"total_weight": 96593,
"totalfee": 517623,
"txs": 38,
"utxo_increase": 355,
"utxo_size_inc": 31763,
"utxo_increase_actual": 312,
"utxo_size_inc_actual": 24600
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 86528293,
"totalbytessent": 4034185458,
"timemillis": 1783127548154,
"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 6 6
out 11 11 2 1
total 17 17
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 767,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 767
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
13 "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
0023b28c288594d1
d0239e1259b8fc03ca14387c7eb67c8e1fa17859ca0de310bf9e815fece7dc83
531d9e5471001a55
8e987dcd784c7899e867e8dd507324d328805fc1a522ca9df52f6f1245e498bf
acbcec5aeca1972b
6e5fc6954ccbb5be60092b083fbe33ef68ad43ce256eee2851200815f66c4534
131ffd1dacd3414b
62f745a173992bcaec3cb8da243004bbbd6c7ec2b40022ff0772a223d9243ad4
4e8c7b7107b6dbfc
8bcdba3d4014f7a8e7ceb2092013575f65f4875015420415316b3c434387b5c5
282fd8d7944a55b9
7a85bbfe873daec42db4f81bbb5c9c70f3ca2d7aeed36b2c4a0da4ff5b903fa9
989773dc541b27e7
0e41cc8eb19f3fc295d9525410da696fec913ccda4f070bc12443ec8b2314032
63656717dc0be4d4
535d87322c75586895670ca2a3a88dd86d6c6b8cd143d4aa344ffd2538917bd5
b238f700f288e393
2d86a02fd12d2abefe9d52dbf332b8757986546a2aecd4b468635974ccb94fcf
41c0a40b2ed43a72
3dccb2123cf7b99d6b260533dbc6261903b9f23d7da165aa051101b88a9e080d
bbeaa96a3dfe8057
1465284dd16330e38b60de51c5c720abc8ca07602cafc69c3fb03616b51c6117
df5170d29dca6f76
842dfa3721efce783968a9530e97634f9b99cb4a9d365689872c5bc4a74621aa
$ niceblack.sh $BH $BC
___________ _____________
|__ < < / / ___/__ < /
/_