# on receiving block 300521 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2026-04-17T20:29:12Z # as written in the block header 2026-04-17T20:28:39Z $ uptime # since last reboot 20:29:12 up 29 days, 11:22, 0 users, load average: 2.50, 2.06, 1.91 $ battery.sh 100%, Power Supply Online $ uname -smnr Linux singer 6.18.2-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1918816 kB $ du -h -d1 .bitcoin/signet 289M .bitcoin/signet/indexes 19M .bitcoin/signet/wallets 574M .bitcoin/signet/blocks 3.6G .bitcoin/signet/chainstate 4.5G .bitcoin/signet $ df -h . Filesystem Size Used Avail Use% Mounted on /dev/sda3 912G 434G 477G 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 300521 $ BH=$(bitcoin-cli -signet getblockhash 300521); echo $BH 0000000bbe46313603c8bcf25d4766e53c7270c46a37df73022d442da83abb55 $ bitcoin-cli -signet getblockheader 0000000bbe46313603c8bcf25d4766e53c7270c46a37df73022d442da83abb55 { "hash": "0000000bbe46313603c8bcf25d4766e53c7270c46a37df73022d442da83abb55", "confirmations": 1, "height": 300521, "version": 536870912, "versionHex": "20000000", "merkleroot": "6359a3cea8f74dd7d1bc061702db2e465f428b539342c1bf4b9746b4c5bd7934", "time": 1776457719, "mediantime": 1776454662, "nonce": 268673137, "bits": "1d14a616", "target": "00000014a6160000000000000000000000000000000000000000000000000000", "difficulty": 0.0484282882981412, "chainwork": "00000000000000000000000000000000000000000000000000000ca17eae0640", "nTx": 114, "previousblockhash": "0000000e4fab933ff721e3a77fea271f02550a0203a1ad7ba0281aaf8779086b" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... ...b be46 3136 .3c8 bcf2 5d47 66e5 3c72 7.c4 6a37 df73 .22d 442d a83a bb55 $ : 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 300521 sf: ...b .3c8 7.c4 .22d 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 . 300521 sk: bb55 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 . 300521 ak: a77e b1 $ : Following is the jointkode 300521 jk: bb55 a77e b1 ### niceblack moved to the end $ bitcoin-cli -signet getmempoolinfo { "loaded": true, "size": 5, "bytes": 1490, "usage": 22128, "total_fee": 0.00001959, "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 265 ## Current epoch estimation is -0.31% ## 137 of 2016, i.e. 6%, 1879 to go ## Current and previous two in numbers: $ bitcoin-cli -signet getnetworkhashps 2016 345388.0519290547 $ bitcoin-cli -signet getnetworkhashps 2016 300383 346462.8663674932 $ bitcoin-cli -signet getnetworkhashps 2016 298367 336459.3161092782 $ bitcoin-cli -signet getblockstats 300521 { "avgfee": 1686, "avgfeerate": 3, "avgtxsize": 633, "blockhash": "0000000bbe46313603c8bcf25d4766e53c7270c46a37df73022d442da83abb55", "feerate_percentiles": [ 1, 1, 2, 2, 10 ], "height": 300521, "ins": 251, "maxfee": 61048, "maxfeerate": 12, "maxtxsize": 23261, "medianfee": 327, "mediantime": 1776454662, "mediantxsize": 237, "minfee": 21, "minfeerate": 0, "mintxsize": 118, "outs": 975, "subsidy": 2500000000, "swtotal_size": 71475, "swtotal_weight": 202797, "swtxs": 112, "time": 1776457719, "total_out": 3267780977059, "total_size": 71593, "total_weight": 203269, "totalfee": 190591, "txs": 114, "utxo_increase": 724, "utxo_size_inc": 53235, "utxo_increase_actual": 683, "utxo_size_inc_actual": 50148 } $ bitcoin-cli -signet getnettotals { "totalbytesrecv": 129872512, "totalbytessent": 3443526810, "timemillis": 1776457753255, "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 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": 1494, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 1494 } } ### v2_peerinfo are in v2_peerinfo-signet.txt $ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c 13 "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 82b27e77426c9cf3 b07a85f145b99acc9d4d5ba59a2394ddbc2df0b83b426721cebb5809000afa72 9550b66c9c9a91e5 15425ea4f148d1507f3c09828f04964ce1573056b00cff5e45d48e2c7331418d 4c5cd41e91d07bde ed12296075c9fc334c40627e4b77cd75d7a00165817f120a5dac29bbb017febb 38bf311b23e78a53 b1b8b20f3d5fd3a4644d7cd3a6d292be44e1752be93d5b05e534f168a9a3b465 f78ac7a6ec9d7800 a5162e07985a0ad6082d26cc8ce21edc09c1e7445b73b2731e6ae647a73e846d c783c4b8210e776c e5c71cc4d392f685f6cc0e62dcbb60f789a793827824eaa8f534b2a8aaa2eec3 54f960a8ec22498c 7a546d3938695e02ab89bbe9b688ee446a7fd1c0f0468de956ee5d1a4ca6e803 9d144ef2a896d595 ba99014d0534063312bbb3294c9cd2962803ccdd050c0950a000ef5d10f79c45 1bf41e7ef3adf47f 5358a6394db5c72138a94b2d2bee81c729458ec897619234f6e86bf7facde9e9 1f5e98550c1c83ed de125394abc754c21fe00397109bd80c74abe2fe025db1ea800db9149a7a4434 c657cd553250bd71 892db23772224b76aa7076a805827d5a17ded37def10fa6aba18a3f42acb1613 6701c691bdabd7bd 410c275320f9ea6262f305c028a490bc5592ffef1109375e5cd473ad6d5ba2d4 12e9d224ecdd7644 7013d7dbb3871d26c326c6a275ead2618e11f643f89a73d948c8f3baaca4a8a7 $ niceblack.sh $BH $BC _|_|_| _| _| _| _| _| _| _| _|_| _| _| _| _| _| _| _| _| _| _|_|_| _| _| _|_|_|_| _|_| _| _| _| _| _|_| _|_|_| _| _| _| _| _| _|_|_| _|_|_|_| _| ,----- .123 4567 89ab cdef -----, | | | .. .... ...b be46 3136 .f | | 1. .3c8 bcf2 5d47 66e5 1f | | 2. 3c72 7.c4 6a37 df73 2f | | 3. .22d 442d a83a bb55 3f | '=== ==== ==== ==== ==== ===' jk: bb55 a77e b1