# on receiving block 937166 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-02-18T01:37:11Z
# as written in the block header
2026-02-18T01:37:46Z
$ uptime # since last reboot
01:37:11 up 1 day, 7:07, 0 users, load average: 0.48, 0.97, 1.33
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2358560 kB
$ du -h -d1 .bitcoin/
12.0G .bitcoin/indexes
4.2G .bitcoin/signet
88.8M .bitcoin/wallets
97.7G .bitcoin/blocks
18.6M .bitcoin/regtest
10.5G .bitcoin/chainstate
124.6G .bitcoin/
$ df -h .
Filesystem Size Used Available Use% Mounted on
/dev/sda3 911.4G 433.1G 477.3G 48% /
$ bitcoind -version
Bitcoin Core daemon version v30.2.0 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 getblockcount); echo $BC
937166
$ BH=$(bitcoin-cli getblockhash 937166); echo $BH
00000000000000000001fe8d1f1e073ec1a6686c8820d90f8a16cf8a3160fef9
$ bitcoin-cli getblockheader 00000000000000000001fe8d1f1e073ec1a6686c8820d90f8a16cf8a3160fef9
{
"hash": "00000000000000000001fe8d1f1e073ec1a6686c8820d90f8a16cf8a3160fef9",
"confirmations": 1,
"height": 937166,
"version": 538542080,
"versionHex": "20198000",
"merkleroot": "2fb8fe71afe769d35dd37cb5e8435e7ccf4102595f206a071f2b0710134bdcdc",
"time": 1771378666,
"mediantime": 1771375609,
"nonce": 3106009694,
"bits": "17023c7e",
"target": "000000000000000000023c7e0000000000000000000000000000000000000000",
"difficulty": 125864590119494.3,
"chainwork": "0000000000000000000000000000000000000001103d798fe838586b3879aa52",
"nTx": 5516,
"previousblockhash": "00000000000000000001b0bd51c581b6addedacfb1bdfefd3c3e4034fc5ac8a3"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... .... ....
...1 fe8d 1f1e .73e
c1a6 686c 882. d9.f
8a16 cf8a 316. fef9
$ : 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
937166 sf: ...1 .73e 882. d9.f 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 .
937166 sk: fef9 74
$ : 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 .
937166 ak: 944c 74
### niceblack moved to the end
$ bitcoin-cli getmempoolinfo
{
"loaded": true,
"size": 51991,
"bytes": 8501341,
"usage": 77627376,
"total_fee": 0.00896206,
"maxmempool": 300000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
104
## Current epoch estimation is +15.49%
## 1742 of 2016, i.e. 86%, 274 to go
## Current and previous two in numbers:
$ bitcoin-cli getnetworkhashps 2016
1.04047299060251e+21
$ bitcoin-cli getnetworkhashps 2016 935423
9.009048549126172e+20
$ bitcoin-cli getnetworkhashps 2016 933407
1.013538089664451e+21
$ bitcoin-cli gettxoutsetinfo muhash
{
"height": 937166,
"bestblock": "00000000000000000001fe8d1f1e073ec1a6686c8820d90f8a16cf8a3160fef9",
"txouts": 164353779,
"bogosize": 12879082612,
"muhash": "067ddccf030687b81e2a734196183ddee67efa978e52128748f84fd0988bbd39",
"total_amount": 19990916.78180826,
"total_unspendable_amount": 230.09319174,
"block_info": {
"prevout_spent": 1033.56957320,
"coinbase": 3.13506740,
"new_outputs_ex_coinbase": 1033.55950580,
"unspendable": 0.00000000,
"unspendables": {
"genesis_block": 0.00000000,
"bip30": 0.00000000,
"scripts": 0.00000000,
"unclaimed_rewards": 0.00000000
}
}
}
$ bitcoin-cli getblockstats 937166
{
"avgfee": 182,
"avgfeerate": 1,
"avgtxsize": 304,
"blockhash": "00000000000000000001fe8d1f1e073ec1a6686c8820d90f8a16cf8a3160fef9",
"feerate_percentiles": [
0,
0,
0,
1,
2
],
"height": 937166,
"ins": 8630,
"maxfee": 143660,
"maxfeerate": 157,
"maxtxsize": 29541,
"medianfee": 14,
"mediantime": 1771375609,
"mediantxsize": 207,
"minfee": 12,
"minfeerate": 0,
"mintxsize": 150,
"outs": 11812,
"subsidy": 312500000,
"swtotal_size": 1623546,
"swtotal_weight": 3762471,
"swtxs": 5431,
"time": 1771378666,
"total_out": 103355950580,
"total_size": 1680924,
"total_weight": 3991983,
"totalfee": 1006740,
"txs": 5516,
"utxo_increase": 3182,
"utxo_size_inc": 178984,
"utxo_increase_actual": -1278,
"utxo_size_inc_actual": -90280
}
$ bitcoin-cli getnettotals
{
"totalbytesrecv": 663677628,
"totalbytessent": 1283629850,
"timemillis": 1771378631861,
"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 v30.2.0 - server 70016/Satoshi:30.2.0/
ipv4 npr total block libre
in 12 2 14
out 14 0 14 2 4
total 26 2 28
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -addrinfo
{
"addresses_known": {
"ipv4": 64171,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 64171
}
}
$ halving.sh 937166
=====================================
Bitcoin Block Halving prediction
=====================================
bc=937166
gbt=1231006505
bbt=1771378666
This is average time to mine a block
(1771378666-1231006505)/937166
bts=576.6017806858329411940454
Now let's multiply that by 1050000
which is the block number of next
halving and get the prediction:
Sun Mar 12 01:55:51 UTC 2028
-------------------------------------
Next palindrome will be 937739
predicted to happen at this time:
Sat Feb 21 21:24:18 UTC 2026
-------------------------------------
Current mining epoch number is 464.
The next fortnight happens in block
937440 and probably around this time:
Thu Feb 19 21:30:54 UTC 2026
### v2_peerinfo are in v2_peerinfo-bitcoin.txt
$ bitcoin-cli 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
2cc2e80f93695aca
ba385c8844882d2702cdb00a26e72702146bee662683120fd43b334de6255303
df78cb07f318ecad
104d854f476b216efc26cad48e8e91808b03c22e57d07668065bfbf237e18076
4ba77ac0b64d506e
627c0b09e1896f89396dd02c4e276d6e3aeb556a8612318ab8a21c09c0873e09
c62c224eb4d5ccb4
411c99dd747754d4aa7f7e7e44972cd1247f204a32194a7fcad50ad01df02b52
03cffffea1416bf2
be5dd8d36dd8927acd6cb9cbd31f69b0ddcd2e077ed50ec33977c28dcf5eedba
f8296a068f754e4c
5c1845bd354fde462110ba1bef6981b9beffcb4914bf835fda64b91840e6b1c4
952c29ffb60124fb
a2bf5678ea81d33c16e4e3c526ef029b273b09a8043497365cd5cda27793fc46
dd5d423ffdfce6d9
92b1a5595109f486cb572f4abc1c928790458e82916de9a4234d515b949b712d
5047d5678d7df13f
dac3ef2d593a5525694abff3e33c1cf62df1dc0d9d43c81ccf70558d3be1bba8
88985320f20ecc73
7f7529154a88587d520e6bc076980fe45b5d8b1213f2316a8919fa76648007c1
93f43076b3bb3924
453873ddb1828d8e7204c7324d58001b74ffb1f018a95874ae96fe31b646c477
e7bb3d482e5189fd
2153b16db6db1a7e4779009a2d739cf559fe98fd4ede61981dcae13281f3a3a8
e61e016b0081794e
4b5629a49e4e3ecc9ffeb79d72266d570418c253be1263d8a2e60a06104855d2
b3d9f9c3d0face61
3707672eeed142fc67c66ffa719199421e8522140664d80178276621b19e54d7
38a2937f5e488f1f
1026d34a876b4f5ac8388918208d7be5870ca50225edf96fa686d6bfad07549c
2f483f8248b737c5
c293b6efa35f215df540d7b5963cbc448e6cd10bc9f198e80b9cdd180a3a7334
8f35bb2a8edb5934
3718e11d556f393dcf244960f529609dadb0e8301c7496ec448032958cfe05f4
$ niceblack.sh $BH $BC
| | |
_ \ | _ \ _| | /
_.__/_|\___/\__|_\_\
_ \__ /__ /_ | / /
\_ / _ \ / | _ \ _ \
_/ ___/ _/ _|\___/\___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... .... .... .... .f |
| 1. ...1 fe8d 1f1e .73e 1f |
| 2. c1a6 686c 882. d9.f 2f |
| 3. 8a16 cf8a 316. fef9 3f |
'=== ==== ==== ==== ==== ==='
ak: 944c 74