# on receiving block 315641 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-31T20:38:13Z
# as written in the block header
2026-07-31T20:37:29Z
$ uptime # since last reboot
20:38:13 up 35 days, 13:09, 0 users, load average: 2.37, 1.34, 1.47
$ battery.sh
142%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1529196 kB
$ du -h -d1 .bitcoin/signet
320M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
458M .bitcoin/signet/blocks
4.0G .bitcoin/signet/chainstate
4.8G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 435G 476G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.1.0 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
315641
$ BH=$(bitcoin-cli -signet getblockhash 315641); echo $BH
00000001f1e308dd496e93fa39ce92d93e7bfd9a058ae9c705f4851efe4ea81f
$ bitcoin-cli -signet getblockheader 00000001f1e308dd496e93fa39ce92d93e7bfd9a058ae9c705f4851efe4ea81f
{
"hash": "00000001f1e308dd496e93fa39ce92d93e7bfd9a058ae9c705f4851efe4ea81f",
"confirmations": 1,
"height": 315641,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "d4821bfb206746dd001173d5d5fb272ee6d8b9ec8e643157f1818305341fdb01",
"time": 1785530249,
"mediantime": 1785525219,
"nonce": 315076731,
"bits": "1d14d6ea",
"target": "00000014d6ea0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04798504544795561,
"chainwork": "00000000000000000000000000000000000000000000000000000f78f2f8955a",
"nTx": 620,
"previousblockhash": "0000000fd48cef4de67a7711873ac23e89ca3d677e3a851daefb18a4ff9ec4a8"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...1 f1e3 .8dd
496e 93fa 39ce 92d9
3e7b fd9a .58a e9c7
.5f4 851e fe4e a81f
$ : 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
315641 sf: ...1 .8dd .58a .5f4 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 .
315641 sk: a81f 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 .
315641 ak: 71ab b1
$ : Following is the jointkode
315641 jk: a81f 71ab b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 337,
"bytes": 97529,
"usage": 649416,
"total_fee": 0.00209789,
"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
321
## Current epoch estimation is +0.65%
## 1145 of 2016, i.e. 56%, 871 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
345745.5692133179
$ bitcoin-cli -signet getnetworkhashps 2016 314495
343484.4943123722
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getblockstats 315641
{
"avgfee": 166162,
"avgfeerate": 414,
"avgtxsize": 630,
"blockhash": "00000001f1e308dd496e93fa39ce92d93e7bfd9a058ae9c705f4851efe4ea81f",
"feerate_percentiles": [
3,
5,
13,
1043,
1043
],
"height": 315641,
"ins": 1154,
"maxfee": 101768472,
"maxfeerate": 1043,
"maxtxsize": 125365,
"medianfee": 1000,
"mediantime": 1785525219,
"mediantxsize": 235,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 118,
"outs": 4304,
"subsidy": 2500000000,
"swtotal_size": 390190,
"swtotal_weight": 991255,
"swtxs": 618,
"time": 1785530249,
"total_out": 2172100886088,
"total_size": 390308,
"total_weight": 991727,
"totalfee": 102854331,
"txs": 620,
"utxo_increase": 3150,
"utxo_size_inc": 235076,
"utxo_increase_actual": 3112,
"utxo_size_inc_actual": 232212
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 168890357,
"totalbytessent": 4225422264,
"timemillis": 1785530295057,
"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 v31.1.0 signet - server 70016/Satoshi:31.1.0/
ipv4 total block manual
in 8 8
out 11 11 2 1
total 19 19
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 988,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 988
}
}
### 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
9550b66c9c9a91e5
6ef263cfb0efd20ea94ba65a1eee88fd7cbceca02fc82f9621602f67800c1c6c
c47f9308f875cb6f
3af78d335d69c04e765dd04d61ae8bf31a7a83a65796840a64d2f363f2136764
acbcec5aeca1972b
8f4f681a39287c8e0609e743b1148ba70d6756e767a2855acb55e57f4ea06158
7338c08342087a97
8381be066ea5bfff4ec6343b2cceafdaa0d3a4b583f6d8034780bcccaecd6554
82b27e77426c9cf3
8d9b96ae5404bfa3fda413f8c9e9beb3478813a3fa3efffe614c67140fec5e73
318db5aec0bb42f2
497be3fa635a9b8efddd021e5c47d57e7af2aa9c7f370d4b57dcbe5f853d2a07
2df6270d415f3c95
446cb0cb5591af67ff2b0892560d2662bd83086a3d809dbee957d50d27b5bdb0
15efa24ad7cf7ca6
fd7502f4a1e637842e5078469a2c5ba9fb0d0e34457fb8fa55881b6a0fd2693f
35e2a230edacc2ab
3135fdc56f3c5dab003aff6c87f9f2cd2ea66dea870f0f35d6dd808d0a3fe047
38d905a743a73543
74cc20f5697a5b858506e4a526d075fca57c9a196992fc5be497804d58522b62
c0528ddd9e8cb6fc
aa9152ad20b610bc03d0385da14d8870e63e986f4dcd4307262e821c1d89fe73
ed507550423d53d2
12bab1a0cbad2298cf7bdee6d8686494a3cf48bccbf0a3bca4e1a4a05ff3d9d1
69dddcbe58700892
83f45179114615265e327e6327c6e817670ed3d373ee9daef65cd8013eddbe62
c1a6a71b41d8531c
402ad7af3b8ea96606883990d7a8b91b6bcd53b29c9888c6a654a06bcd6b44b0
0d2dd137f9694120
fde334b55a65ab45642377768c57e98a29b413a3530522761e46031fbc516f9d
99a5324161152c1b
48e6d400186ed158e75d904a8e8963481aad67fa2fe60414258558675f5905bd
c4574c69528f8d9a
5d5a7fc864fb4586a975b108a14a34438dbfa0513e74ea270fbd53159c25bfe3
$ niceblack.sh $BH $BC
_|_|_| _| _|_|_|_|
_| _|_| _|
_|_| _| _|_|_|
_| _| _|
_|_|_| _| _|_|_|
_|_|_| _| _| _|
_| _| _| _|_|
_|_|_| _|_|_|_| _|
_| _| _| _|
_|_| _| _|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...1 f1e3 .8dd .f |
| 1. 496e 93fa 39ce 92d9 1f |
| 2. 3e7b fd9a .58a e9c7 2f |
| 3. .5f4 851e fe4e a81f 3f |
'=== ==== ==== ==== ==== ==='
jk: a81f 71ab b1