# on receiving block 307726 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-06T23:33:52Z
# as written in the block header
2026-06-06T23:33:34Z
$ uptime # since last reboot
23:33:52 up 79 days, 14:26, 0 users, load average: 1.89, 2.15, 2.39
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1320200 kB
$ du -h -d1 .bitcoin/signet
301M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
538M .bitcoin/signet/blocks
3.7G .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
307726
$ BH=$(bitcoin-cli -signet getblockhash 307726); echo $BH
000000034c0496fda261d44a903a9720135e3682f3ca3a4a51720218f2289a6a
$ bitcoin-cli -signet getblockheader 000000034c0496fda261d44a903a9720135e3682f3ca3a4a51720218f2289a6a
{
"hash": "000000034c0496fda261d44a903a9720135e3682f3ca3a4a51720218f2289a6a",
"confirmations": 1,
"height": 307726,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "1469c8de0ce091b8511e36e2e61c9ed2b58a250a8a49e2dfd1847170fc38320f",
"time": 1780788814,
"mediantime": 1780787070,
"nonce": 142532853,
"bits": "1d1490f5",
"target": "0000001490f50000000000000000000000000000000000000000000000000000",
"difficulty": 0.04862263684784939,
"chainwork": "00000000000000000000000000000000000000000000000000000dfba19515a3",
"nTx": 62,
"previousblockhash": "00000002297ea3a30a326fe61e1aa02b22f5b586a06ff97873241d5d85692693"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...3 4c.4 96fd
a261 d44a 9.3a 972.
135e 3682 f3ca 3a4a
5172 .218 f228 9a6a
$ : 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
307726 sf: ...3 4c.4 9.3a 972. 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 .
307726 sk: 9a6a a1
$ : 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 .
307726 ak: 7cbf a1
$ : Following is the jointkode
307726 jk: 9a6a 7cbf a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 1,
"bytes": 142,
"usage": 63528,
"total_fee": 0.00000480,
"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 -1.26%
## 1294 of 2016, i.e. 64%, 722 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
343561.7812166436
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getblockstats 307726
{
"avgfee": 103415,
"avgfeerate": 274,
"avgtxsize": 453,
"blockhash": "000000034c0496fda261d44a903a9720135e3682f3ca3a4a51720218f2289a6a",
"feerate_percentiles": [
0,
0,
0,
1,
1
],
"height": 307726,
"ins": 76,
"maxfee": 6282340,
"maxfeerate": 37959,
"maxtxsize": 12551,
"medianfee": 154,
"mediantime": 1780787070,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 418,
"subsidy": 2500000000,
"swtotal_size": 27518,
"swtotal_weight": 91388,
"swtxs": 60,
"time": 1780788814,
"total_out": 3100814297251,
"total_size": 27660,
"total_weight": 91956,
"totalfee": 6308355,
"txs": 62,
"utxo_increase": 342,
"utxo_size_inc": 28785,
"utxo_increase_actual": 301,
"utxo_size_inc_actual": 24324
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 728221320,
"totalbytessent": 20223234592,
"timemillis": 1780788832830,
"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 8 8
out 12 12 3 1
total 20 20
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1227,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1227
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
16 "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
c0f47823976b423a
161075faf19e1983e2d5cb593e6395c8408c228cffdcc8ad88d501db468cad96
40ec672fa3c05877
a23e152bd193bed947a5c41d92d23bdf00c87070969388f424525a6a385301af
7b4566df59a7b36f
add3f381ef7f486803cf4c5740cbc5be215df3a4cf483457c9f2e8d5d9485936
efc846ec47160038
4df6725b8c42554a1c51ab31847d4ef1cf0c32be873b4085a85c81e0c59c886c
fbd821fdb359baf5
255646205781f418ef424f78c4e92dd09ad7a401e2ffce10939687d2e546b4ee
7c4d3f859295c4d5
1b06d09b16d35ad0df37df554c9e21ccd70519eaac60b69cba1aeafbb67ee754
42d6b7498898cae5
d3a09f56ec7b480c79eb9c9924eb0d1371364750ccd87b16889bf567789e7e16
b78cc57340ccfb66
11cd13ae2229d180fdcf61d019bce5dbcfb5a0f2df4865eaf8de35f87caa2cb0
9ee9314829504380
d8ad438f375ff0f9bb59df8dde0aac35c11f0160fdc9ead920985d2c35733e88
ebb505b0f60de2d3
ffe11c9e246037dc7554d50ea0b708127ed67518c7c91c64e38c3b30af20a4f3
4e8c7b7107b6dbfc
43e243abbe5895ef076403a50dd9fd9dda282852d3ed542fab5bd22ed0ac7f1c
8850e0496ffa1381
2a7a215ed1b3fa0927389e265987f77c5fc065b18e256785c28d24e995196d0e
82b27e77426c9cf3
50ac4e7addffb0db016a2d81c15f89f43dbbb8fbc74805f15401aeaf411af6ab
b2e7a4eb1ff8b67c
67401c3c3c85b5d5952db52fc5155a30047f78fe8926f2dc85b776c874bc3af2
2c176f6d55ae9f3c
65c0ce0ac1d6140969b86e68ef82f5f073c1ddcafec47b4e75564b8d12b2f30d
5bda80aceb190d11
f5d117567cd288a3c69313c9e9162cb86183d84fdfce1f1b527344f68534b100
$ niceblack.sh $BH $BC
__ __ __
/ / / /__ ____/ /__
/ _ \/ / _ \/ __/ '_/
/_.__/_/\___/\__/_/\_\
____ ___ ___________ ____
|_ // _ \/_ /_ /_ |/ __/
_/_