# on receiving block 947310 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-30T16:47:25Z
# as written in the block header
2026-04-30T16:51:40Z
$ uptime # since last reboot
16:47:25 up 42 days, 7:40, 0 users, load average: 1.57, 1.74, 1.84
$ battery.sh
156%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1532312 kB
$ du -h -d1 .bitcoin/
12.2G .bitcoin/indexes
4.5G .bitcoin/signet
2.7M .bitcoin/wallets
97.7G .bitcoin/blocks
18.6M .bitcoin/regtest
10.6G .bitcoin/chainstate
125.2G .bitcoin/
$ df -h .
Filesystem Size Used Available Use% Mounted on
/dev/sda3 911.4G 434.5G 476.0G 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 getblockcount); echo $BC
947310
$ BH=$(bitcoin-cli getblockhash 947310); echo $BH
000000000000000000012757280bc04b1754aa6ec43b65a4f10e5cba6d4e5b57
$ bitcoin-cli getblockheader 000000000000000000012757280bc04b1754aa6ec43b65a4f10e5cba6d4e5b57
{
"hash": "000000000000000000012757280bc04b1754aa6ec43b65a4f10e5cba6d4e5b57",
"confirmations": 1,
"height": 947310,
"version": 1073676288,
"versionHex": "3fff0000",
"merkleroot": "791b69c68835573da8816ae0d480c2f2d0b402b4c70eb9297e8c127587baf823",
"time": 1777567900,
"mediantime": 1777561496,
"nonce": 629743718,
"bits": "17021369",
"target": "0000000000000000000213690000000000000000000000000000000000000000",
"difficulty": 135594876535256.6,
"chainwork": "000000000000000000000000000000000000000123d8beb08d9f0e321c421fba",
"nTx": 2549,
"previousblockhash": "0000000000000000000031e07168e1b80b2b663ab97f9f16286b051e348f6f57"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... .... ....
...1 2757 28.b c.4b
1754 aa6e c43b 65a4
f1.e 5cba 6d4e 5b57
$ : 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
947310 sf: ...1 28.b c.4b f1.e 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 .
947310 sk: 5b57 84
$ : 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 .
947310 ak: 481e 84
$ : Following is the jointkode
947310 jk: 5b57 481e 84
### niceblack moved to the end
$ bitcoin-cli getmempoolinfo
{
"loaded": true,
"size": 96561,
"bytes": 43945105,
"usage": 241453080,
"total_fee": 0.16166286,
"maxmempool": 300000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 1,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000,
"limitclustercount": 64,
"limitclustersize": 101000,
"optimal": true
}
$ gmm.sh
367
## Current epoch estimation is -2.49%
## 1806 of 2016, i.e. 89%, 210 to go
## Current and previous two in numbers:
$ bitcoin-cli getnetworkhashps 2016
9.461958141119027e+20
$ bitcoin-cli getnetworkhashps 2016 945503
9.704094538460986e+20
$ bitcoin-cli getnetworkhashps 2016 943487
9.942372658458654e+20
$ bitcoin-cli gettxoutsetinfo muhash
{
"height": 947310,
"bestblock": "000000000000000000012757280bc04b1754aa6ec43b65a4f10e5cba6d4e5b57",
"txouts": 165494487,
"bogosize": 12964841530,
"muhash": "6201baa1247ce360339db4a8931c336d60c012584112f699f10c3ad7d08f3e15",
"total_amount": 20022616.77832904,
"total_unspendable_amount": 230.09667096,
"block_info": {
"prevout_spent": 7341.59079913,
"coinbase": 3.17730721,
"new_outputs_ex_coinbase": 7341.53849192,
"unspendable": 0.00000000,
"unspendables": {
"genesis_block": 0.00000000,
"bip30": 0.00000000,
"scripts": 0.00000000,
"unclaimed_rewards": 0.00000000
}
}
}
$ bitcoin-cli getblockstats 947310
{
"avgfee": 2052,
"avgfeerate": 5,
"avgtxsize": 878,
"blockhash": "000000000000000000012757280bc04b1754aa6ec43b65a4f10e5cba6d4e5b57",
"feerate_percentiles": [
1,
3,
4,
5,
6
],
"height": 947310,
"ins": 6756,
"maxfee": 250000,
"maxfeerate": 929,
"maxtxsize": 157975,
"medianfee": 862,
"mediantime": 1777561496,
"mediantxsize": 223,
"minfee": 33,
"minfeerate": 0,
"mintxsize": 150,
"outs": 6948,
"subsidy": 312500000,
"swtotal_size": 2156189,
"swtotal_weight": 3666695,
"swtxs": 2289,
"time": 1777567900,
"total_out": 734153849192,
"total_size": 2237498,
"total_weight": 3991931,
"totalfee": 5230721,
"txs": 2549,
"utxo_increase": 192,
"utxo_size_inc": 17448,
"utxo_increase_actual": 134,
"utxo_size_inc_actual": 11580
}
$ bitcoin-cli getnettotals
{
"totalbytesrecv": 6997595771,
"totalbytessent": 15655876971,
"timemillis": 1777567645470,
"uploadtarget": {
"timeframe": 86400,
"target": 0,
"target_reached": false,
"serve_historical_blocks": true,
"bytes_left_in_cycle": 0,
"time_left_in_cycle": 0
}
}
$ bitcoin-cli -netinfo
Bitcoin Core client v31.0.0rc4 - server 70016/Satoshi:31.0.0/
ipv4 npr total block
in 16 1 17
out 11 0 11 3
total 27 1 28
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -addrinfo
{
"addresses_known": {
"ipv4": 65645,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 65645
}
}
$ halving.sh 947310
=====================================
Bitcoin Block Halving prediction
=====================================
bc=947310
gbt=1231006505
bbt=1777567900
This is average time to mine a block
(1777567900-1231006505)/947310
bts=576.9608871848843727139239
Now let's multiply that by 1050000
which is the block number of next
halving and get the prediction:
Thu Mar 16 10:40:13 UTC 2028
-------------------------------------
Next palindrome will be 947749
predicted to happen at this time:
Sun May 3 15:13:05 UTC 2026
-------------------------------------
Current mining epoch number is 469.
The next fortnight happens in block
947520 and probably around this time:
Sat May 2 02:31:01 UTC 2026
### v2_peerinfo are in v2_peerinfo-bitcoin.txt
$ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c
9 "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
493faac3367fbbe9
cdbcb30da1e5cf7a2c80a9fb01513ec9040522ba447eb55dd1b26bfc7e8c84a3
9c2ea4125ab2ab9b
88b1d6fe5aa87e69afcbf3e4d77986ac08da875391be5e708bef7aa01a6dd247
6c45e9be707772f3
af9828f25250e36cd627b6b2bffacdfe9f0d4627b800454aef520944e6bee57a
b1b1befa1d3b2564
425b9eaf799c6c1a793f246c92ef0e53b2b5a2eb76ddccfb2a1303902414e9a6
4d206dbaa4a31f10
629173f93ec967fb8705e64c1d98efc837894953e575e42a893e4e2958828bd9
6998b3f5481468c5
f9b220abe524d7ac8d24a40be33126b77654fd234e286be3a034b691d1dd4d68
019228fdec44cfdf
285a1450974a07594b766c7ba7094327d6f0347d6167209c4577534573c6895e
43a1133e4f1b8f62
e30bf44358dd9a18bfd43c7ecf3ccb68e63c08bb47186aa1640db4c98a95df84
7413be5d8d511493
efe1e2b2358002877a89d45550f7f1bf8e683e29b2545405eb1a9fba51f26297
$ niceblack.sh $BH $BC
____ __ _______ ____________
/ __ \/ // /__ / |__ < / __ \
/ /_/ / // /_ / / /_