# on receiving block 299496 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-10T16:29:42Z
# as written in the block header
2026-04-10T16:29:35Z
$ uptime # since last reboot
16:29:42 up 22 days, 7:22, 0 users, load average: 1.94, 2.10, 2.16
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2080664 kB
$ du -h -d1 .bitcoin/signet
287M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
501M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.4G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 434G 478G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.0rc2 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
299496
$ BH=$(bitcoin-cli -signet getblockhash 299496); echo $BH
00000012fa5d69b48c0516b615be3c6509e1f83adc46cb014668d27cc32fe234
$ bitcoin-cli -signet getblockheader 00000012fa5d69b48c0516b615be3c6509e1f83adc46cb014668d27cc32fe234
{
"hash": "00000012fa5d69b48c0516b615be3c6509e1f83adc46cb014668d27cc32fe234",
"confirmations": 1,
"height": 299496,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "e6f0d4eaa31b0d47d24b1c6a43f13286ae1e07969e4138787d2e1c2ea8dbd84c",
"time": 1775838575,
"mediantime": 1775835624,
"nonce": 46497493,
"bits": "1d1543df",
"target": "0000001543df0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04702464282152162,
"chainwork": "00000000000000000000000000000000000000000000000000000c7119a2f360",
"nTx": 74,
"previousblockhash": "0000001408eb4fffc04235b741600610492e1d0ff1abc172f39f2ff77f53d9e5"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..12 fa5d 69b4
8c.5 16b6 15be 3c65
.9e1 f83a dc46 cb.1
4668 d27c c32f e234
$ : 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
299496 sf: ..12 8c.5 .9e1 cb.1 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 .
299496 sk: e234 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 .
299496 ak: 73.. b1
$ : Following is the jointkode
299496 jk: e234 73.. b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 5,
"bytes": 946,
"usage": 9984,
"total_fee": 0.00004794,
"maxmempool": 100000000,
"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
162
## Current epoch estimation is +3.05%
## 1128 of 2016, i.e. 55%, 888 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
346738.6219596901
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getnetworkhashps 2016 296351
334019.4023418721
$ bitcoin-cli -signet getblockstats 299496
{
"avgfee": 797,
"avgfeerate": 2,
"avgtxsize": 431,
"blockhash": "00000012fa5d69b48c0516b615be3c6509e1f83adc46cb014668d27cc32fe234",
"feerate_percentiles": [
1,
1,
2,
2,
2
],
"height": 299496,
"ins": 87,
"maxfee": 36337,
"maxfeerate": 7,
"maxtxsize": 13972,
"medianfee": 154,
"mediantime": 1775835624,
"mediantxsize": 205,
"minfee": 153,
"minfeerate": 1,
"mintxsize": 142,
"outs": 602,
"subsidy": 2500000000,
"swtotal_size": 31367,
"swtotal_weight": 106592,
"swtxs": 72,
"time": 1775838575,
"total_out": 2906124789527,
"total_size": 31509,
"total_weight": 107160,
"totalfee": 58238,
"txs": 74,
"utxo_increase": 515,
"utxo_size_inc": 38643,
"utxo_increase_actual": 479,
"utxo_size_inc_actual": 36000
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 34634703,
"totalbytessent": 727169278,
"timemillis": 1775838583625,
"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 v31.0rc2 signet - server 70016/Satoshi:31.0.0/
ipv4 total block manual
in 12 12
out 11 11 2 1
total 23 23
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1859,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1859
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
12 "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
a4dda9c03849be5c
bfb12c862f155235ff395de2ac26dd76a5f6eae613d5e43a6207534843ae3716
82b27e77426c9cf3
d3dc4d2c1c31246f40d9fdd528c652f30f97359f0d16f5ec9e82772d6ee28044
2422645f1d448cf3
6b33e8f384f47d354babefd58d3f5e312ee4f045245267fe530431925ae3ee2c
38bf311b23e78a53
fed9b35ca6605f30e05d87daca06a292029910450c72dba85f67ac9c9d314dbd
d26dc11e642083e6
63ed397fc7ca0c48f323e0d679ed03a6f332ae8d0a6496fd9b611c5d50d598ca
527f54bf5318bcef
2f60b7df592a7ef7407546b2ddc9ec7702910529dab6a13a9990754b83cbdba8
4d3910550efecb55
2b68d890f7f5a393147a95ab104bff8d8755955dc3a40a98fbfb499271823f26
9550b66c9c9a91e5
8cf4f176a44a5c3ce485ee16f57262cbc39cd4c889156b6ca719dd53b36cd436
d2d196c9ac87de94
c7cdf20d53bd4108cc2751025946787636c3bb3b746d3f2b805417d552d1e8b1
80793e778ffd4a44
603ed138d0eed62459dcb26996d78776cc7c48d8f64a879e469e257a5f3362bc
38c06cc7f6711c01
ba480fe7230ee729cdb2ed3445ae16fc3662ab45dfb11d26280a89042dd7e0b3
9c42b131cbafed94
071d6545cc76952f2dc10ae5b5760624c4314d34955d36b4d7a1dc2b909eda06
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
__ __ __ __ __
/ )/ |/ || | / | /
/ \_/|\_/||__|_\_/|| __
/ | | | ||/ \
/___ | | | | \__/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..12 fa5d 69b4 .f |
| 1. 8c.5 16b6 15be 3c65 1f |
| 2. .9e1 f83a dc46 cb.1 2f |
| 3. 4668 d27c c32f e234 3f |
'=== ==== ==== ==== ==== ==='
jk: e234 73.. b1