{% breadcrumb_schema breadcrumbs=[ ('Home', '/'), ('Bitcoin Nodes', '/bitcoin/nodes/overview.html') ] %}
🕸️

Bitcoin Network Crawler

Global overview of all reachable Bitcoin nodes

Our Bitcoin network crawler continuously scans the peer-to-peer network to discover active full nodes. Each node validates transactions and blocks independently, contributing to Bitcoin's decentralization and security.

Total Nodes (DB) 22931
Active (24h) 14125
⏱️

Last Crawl

Status Running...
Start Time 24.12.2025 22:14
Found Peers 0
🌍

Countries

Country Count
Flag of US US 8081
Flag of DE DE 1696
Flag of FR FR 607
Flag of NL NL 401
Flag of CA CA 383
Flag of GB GB 294
Flag of CH CH 217
Flag of RU RU 213
Flag of AU AU 166
Flag of IE IE 138
Flag of CZ CZ 128
Flag of ES ES 123
Flag of KR KR 119
Flag of AT AT 92
Flag of BR BR 82
Flag of IT IT 82
Flag of SE SE 80
Flag of SG SG 72
Flag of PL PL 68
Flag of LT LT 59
Flag of JP JP 58
Flag of UA UA 46
Flag of BG BG 46
Flag of CN CN 44
Flag of FI FI 43
Flag of RO RO 40
Flag of AE AE 38
Flag of NO NO 37
Flag of TH TH 37
Flag of NZ NZ 36
Flag of PT PT 33
Flag of HK HK 30
Flag of ZA ZA 29
Flag of BE BE 27
Flag of MX MX 27
Flag of SK SK 24
Flag of MY MY 24
Flag of CY CY 23
Flag of HU HU 22
Flag of SI SI 21
Flag of DK DK 19
Flag of TW TW 14
Flag of AR AR 12
Flag of IN IN 12
Flag of TR TR 11
Flag of LU LU 11
Flag of IL IL 11
Flag of MD MD 10
Flag of PA PA 10
Flag of EE EE 10
Flag of SA SA 9
Flag of IS IS 9
Flag of ID ID 8
Flag of GR GR 8
Flag of CL CL 7
Flag of RS RS 7
Flag of VN VN 7
Flag of LV LV 7
Flag of MT MT 6
Flag of DO DO 6
Flag of CR CR 6
Flag of BY BY 6
Flag of OM OM 6
Flag of CO CO 5
Flag of HR HR 5
Flag of SC SC 5
Flag of CW CW 5
Flag of PE PE 4
Flag of KZ KZ 4
Flag of GI GI 4
Flag of KG KG 4
Flag of AD AD 4
Flag of IR IR 4
Flag of UY UY 3
Flag of VG VG 3
Flag of EC EC 3
Flag of LI LI 2
Flag of PR PR 2
Flag of FO FO 2
Flag of GE GE 2
Flag of DM DM 2
Flag of PH PH 2
Flag of KW KW 2
Flag of NG NG 2
Flag of IM IM 2
Flag of VE VE 2
Flag of ME ME 2
Flag of BZ BZ 2
Flag of QA QA 1
Flag of TT TT 1
Flag of HN HN 1
Flag of BO BO 1
Flag of JE JE 1
Flag of EU EU 1
Flag of BT BT 1
Flag of JO JO 1
Flag of SV SV 1
Flag of KH KH 1
Flag of KE KE 1
Flag of AZ AZ 1
Flag of SR SR 1
Flag of PK PK 1
Flag of MO MO 1
Flag of GU GU 1
Flag of RE RE 1
Flag of AW AW 1
Unknown 0
💾

Versions

User Agent Count
Satoshi:29.2.0/Knots:20251110 3550
Satoshi:30.0.0 1844
Satoshi:27.0.0 1580
Satoshi:28.1.0 961
Satoshi:29.0.0 828
Satoshi:25.1.0 695
Satoshi:29.1.0 592
Satoshi:25.0.0 547
Satoshi:25.1.0(FutureBit-Apollo-Node) 405
Satoshi:28.0.0 293
Satoshi:27.1.0 251
Satoshi:28.1.0/Knots:20250305 242
Satoshi:26.0.0 193
Satoshi:29.1.0/Knots:20250903 165
Satoshi:22.0.0 163
Satoshi:29.2.0 157
Satoshi:29.2.0/Knots:20251010 154
Satoshi:28.1.0(FutureBit-Apollo-Node) 148
Satoshi:24.0.1 144
Satoshi:22.0.0(FutureBit-Apollo-Node) 87
Satoshi:0.20.0 85
Satoshi:0.21.1 74
Satoshi:23.0.0 68
Satoshi:30.99.0 66
Satoshi:27.2.0 52
Satoshi:28.2.0 48
Satoshi:26.2.0 47
Satoshi:0.18.0 37
Satoshi:0.21.0 34
Satoshi:29.99.0 30
Satoshi:26.1.0 29
Satoshi:0.20.1 24
btcwire:0.5.0/btcd:0.24.2 19
Satoshi:25.99.0 17
Satoshi:27.1.0/Knots:20240801 16
Satoshi:28.3.0 16
Satoshi:29.2.0(FutureBit-Apollo-Node)/Knots:20251110 16
Satoshi:29.2.0/Knots:20251110+bip110-v0.1rc1/UASF-BIP110:0.1 14
Satoshi:0.18.1 14
Satoshi:24.1.0 14
Satoshi:24.2.0 14
Satoshi:23.1.0 13
Satoshi:24.0.0 13
Satoshi:0.16.3 12
Satoshi:28.99.0 12
Satoshi:0.17.1 11
Satoshi:0.19.1 10
Satoshi:25.2.0 9
Satoshi:26.99.0 8
Satoshi:0.19.0.1 8
Satoshi:24.99.0 8
Satoshi:30.1.0 8
Satoshi:22.1.0 7
Satoshi:0.20.1(Omni:0.11.0) 7
Satoshi:27.99.0 6
therealbitcoin.org:0.9.99.99 5
Satoshi:0.17.0.1 5
CKCoinD:29.0.0 5
Satoshi:0.12.1(bitcore) 4
Satoshi:0.21.2 4
Satoshi:0.14.1 4
Satoshi:1.0.0 4
Satoshi:30.0.0(@emzy) 4
Satoshi:0.17.0 4
Satoshi:0.20.1(Omni:0.12.0.1) 3
Satoshi:25.1.0/Knots:20231115 3
Satoshi:0.20.2 3
Satoshi:0.13.0 3
Satoshi:26.0.0(UASF-SegWit-BIP148) 3
Satoshi:29.2.0(0) 3
Satoshi:28.1.0(Peak)/Knots:20250305 3
Satoshi:29.2.0(1) 3
Satoshi:0.14.2 3
Satoshi:29.2.0(2) 3
Satoshi:0.15.0.1 3
Satoshi:0.15.1 3
Satoshi:26.1.0/Knots:20240513 3
Satoshi:0.16.0 3
btcwire:0.5.0/btcd:0.23.2 3
btcwire:0.5.0/btcd:0.25.0 3
Satoshi:0.17.2 3
Satoshi:29.2.0(not-your-file-server)/Knots:20251110 3
Satoshi:29.1.0(dim-3500) 3
Satoshi:30.0.0/Knots:20232406 3
jwrd.net:0.9.99.99 3
Satoshi:0.19.99 3
Satoshi-BTF(BitcoinFinance)-Main-vSeventeen:0.17.1 3
Satoshi:29.1.0(Peak)/Knots:20250903 2
Satoshi:28.1.0(easycryptosend.it.01) 2
Satoshi:0.12.1 2
Satoshi:0.8.6 2
Satoshi:0.13.1 2
Satoshi:29.2.0/Knots:20251010/UASF-BIP444:0.1 2
Satoshi:0.15.99 2
Satoshi:29.2.0(BIP110)/Knots:20251110 2
Satoshi:0.16.2(bitcore) 2
Satoshi:30.0.0(anthonyuk.com) 2
Satoshi:22.99.0 2
Satoshi:23.0.0(@wiz) 2
Satoshi:0.16.99 2
Satoshi:28.3.0(@emzy) 2
btcwire:0.5.0/btcd:0.23.3 2
Satoshi:30.0.0(Blackcoin.org) 2
Satoshi:23.2.0 2
btcwire:0.5.0/utreexod:0.4.1 2
Satoshi:23.99.0 2
Satoshi:27.99.21 2
Satoshi:29.2.0(Kilombino-Bitcoin-Only-Not-Multimedia)/Knots:20251110 2
Satoshi:30.0.0(needs-coffee) 2
Satoshi:29.2.0(KnotCore-HFSP)/Knots:20251010 2
Satoshi:30.0.0(SwissCoreBTC) 2
Satoshi:29.0.0(RoninDojo 2.4.1) 2
Satoshi:30.0.0(Wanton; Jezebel) 2
cooltexture:29.1.0 2
Domains4Bitcoins.com:443 2
Satoshi:28.1.0(An4th4)/Knots:20250305 2
Natasha:0.2.0 2
Satoshi:29.2.0(Supports BIP110)/Knots:20251110 1
Satoshi:28.1.0(bitcore2) 1
Satushi:22.69.0 1
Satoshi:0.11.2(bitcore) 1
Satoshi:29.2.0(Supports BIP444 110)/Knots:20251010 1
Satoshi:28.1.0(BlockchainTek)/Knots:20250305 1
Satoshi:29.1.0(PyBLOCK-POOL)/Knots:20250903/https://pyblock.xyz:8334 1
Satoshi:0.12.0 1
Satoshi:29.2.0(Supports BIP444)/Knots:20251110 1
Satoshi:28.1.0(BTC_Is_Hijacked) 1
Satoshi:29.1.0(Supports BIP444)/Knots:20250903 1
Satoshi:0.12.1() 1
Satoshi:29.2.0(WindyX)/Knots:20251010 1
Satoshi:26.0.0(Delete Conbase) 1
Satoshi:29.1.0/Knots:20250827rc4 1
Satoshi:26.0.0(FEHU-02) 1
Satoshi:29.2.0/Corea:20251101 1
Satoshi:28.1.0(FutureBit-Apollo-Node)/Knots:20250305 1
Satoshi:26.0.0(FullNode; Electrum; Indexer) 1
Satoshi:28.1.0(HODL - Node Fund bc1q5m3a075678y9xd9ccdevhtthxvaf79dl7r5qfz) 1
Satoshi:0.9.3 1
Satoshi:26.1.0(ADALINE-1) 1
Satoshi:28.1.0(PPB)/Knots:20250305 1
Satoshi:29.2.0(3) 1
Satoshi:29.2.0/Knots:20251110/UASF-BIP110:0.1 1
Satoshi:22.0.0(Alcochete1) 1
Satoshi:29.2.0(anti-spam-solo)/Knots:20251110 1
Satoshi:29.2.0(Barcelona Bitcoin Only community node)/Knots:20251110 1
Satoshi:0.15.2 1
Satoshi:22.0.0(Satoshi72.it) 1
Satoshi:29.2.0(BIP110 meow miao)/Knots:20251110 1
Satoshi:27.0.0(bitcoin.jochemkessens.nl) 1
Satoshi:30.0.0(0) 1
bcoin:2.2.0 1
Satoshi:29.2.0(BIP444)/Knots:20251110 1
BitcoinUnlimited:1.0.3(EB16; AD12) 1
Satoshi:29.2.0(BitAccelerate.com)/Knots:20251010 1
Satoshi:27.1.0(lilnancy) 1
Satoshi:30.0.0(BINSYS-Core-Node) 1
Satoshi:29.2.0(Bitcoin is money. Do NOT transfer nonmonetary data.)/Knots:20251110 1
Satoshi:30.0.0(bitcoin4eva) 1
Satoshi:29.2.0(Corea)/Knots:20251110 1
Satoshi:30.0.0(Bitcoio dot org Donations bc1qkpxqj6zqqpcs25rhzt6c3kawkxfz5nrd0dlshh) 1
btcwire:0.5.0/btcd:0.24.1 1
Satoshi:23.0.0/Knots:20220529 1
Satoshi:29.2.0(Erikslund-Node) 1
Satoshi:28.99.0(b1tc01n.org) 1
Satoshi:29.2.0(filteroor)/Knots:20251110+bip110-v0.1rc1/UASF-BIP110:0.1 1
Satoshi:27.99.0(qrypt.tech) 1
Satoshi:30.0.0(doLuNode) 1
Satoshi:29.0.0(@Nakhonsithammarat,TH) 1
Satoshi:30.0.0(FutureBit-Apollo-Node) 1
Satoshi:29.2.0(ice) 1
Satoshi:0.17.99 1
Satoshi:29.0.0(bitcoin-sl) 1
Satoshi:30.0.0(MAGA) 1
Satoshi:0.18.0(bitcore) 1
Satoshi:28.0.0(ALLPWD.COM) 1
Satoshi:29.0.0(btc.nth.io) 1
Classic:0.11.2 1
Satoshi:24.0.1(opreturn.net) 1
Satoshi:28.0.0(Bitcoin to rule the world) 1
Satoshi:29.0.0(hndypzdy) 1
Classic:1.2.0(EB3.7) 1
Satoshi:24.0.1(sil3ntnod3) 1
Satoshi:29.2.0(node)/Knots:20251110 1
Satoshi:28.0.0(D405 House Corp.) 1
Satoshi:30.0.0(VerifyDontTrust) 1
Classic:1.3.3(EB8) 1
Satoshi:29.2.0(Nordrassil)/Knots:20251010 1
Satoshi:0.18.99 1
Satoshi:28.0.0(FutureBit-Apollo-Node) 1
Satoshi:29.0.0(UASF-SegWit-BIP148) 1
Satoshi:28.0.0(MiniBolt node) 1
Satoshi:30.0.0(zaoi-fullnode) 1
Satoshi:29.2.0(orangent15923)/Knots:20251110 1
Satoshi:29.1.0() 1
FlamiSatoshi:30.99.0 1
Satoshi:29.2.0(Peak)/Knots:20251010 1
Satoshi:0.19.2 1
Satoshi:28.1.0() 1
Satoshi:25.0.0(bitcore) 1
Satoshi:29.2.0(Reject CSAM. Support BIP-444.)/Knots:20251010 1
Satoshi:29.1.0(dim-full) 1
Satoshi:29.2.0(SovereignSurfer)/Knots:20251110 1
Satoshi:28.1.0(bitcoin-cli) 1
Satoshi:29.1.0(FutureBit-Apollo-Node)/Knots:20250903 1
Satoshi:30.99.0(znk) 1
Satoshi:29.2.0(spam-filter-m)/Knots:20251110 1
Satoshi:28.1.0(bitcore) 1
Satoshi:29.1.0(My mempool does not contain trash.)/Knots:20250903 1
Satoshi:0.10.0 1
🟢

Active Nodes (Last 24h)

Address Port Hostname Country ASN Name Version Height Last Seen
163.47.98.48 51394 cpe-48-98-47-163.wireline.com… Flag of AU AU WL-AS-AP Wireline, AU Satoshi:29.2.0/Knots:20251110 929336 1 minute ago
103.246.186.80 8333 - Flag of US US AS401199, US Satoshi:29.2.0/Knots:20251110 929337 1 minute ago
216.107.135.241 8333 - Flag of US US AS29798, US Satoshi:29.2.0/Knots:20251110 929337 1 minute ago
172.104.230.65 8333 172-104-230-65.ip.linodeuserc… Flag of US US AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
174.140.231.209 8333 - Flag of US US AS29798, US Satoshi:29.2.0/Knots:20251110 929337 1 minute ago
172.233.211.194 8333 172-233-211-194.ip.linodeuser… Flag of US US AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
172.232.181.81 8333 172-232-181-81.ip.linodeuserc… Flag of US US AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
139.162.150.197 8333 139-162-150-197.ip.linodeuser… Flag of NL NL AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
24.134.76.177 8333 business-24-134-76-177.pool2.… Flag of DE DE VODANET International IP-Backbone of Vodafone, DE Satoshi:30.0.0 929337 1 minute ago
140.238.156.54 8333 - Flag of US US ORACLE-BMC-31898, US Satoshi:30.0.0 929337 1 minute ago
45.84.107.33 14073 exit-09.tor.r0cket.net Flag of SE SE R0CKET-CLOUD, SE Satoshi:28.0.0(MiniBolt node) 929336 1 minute ago
31.94.14.189 38744 - Flag of GB GB BT-UK-AS BTnet UK Regional network, GB Satoshi:29.2.0/Knots:20251110 929334 1 minute ago
143.105.125.86 15720 customer.mmmiflx1.isp.starlin… Flag of US US SPACEX-STARLINK, US Satoshi:24.0.1 929336 1 minute ago
173.181.43.189 8333 d173-181-43-189.bchsia.telus.… Flag of CA CA TELUS Communications, CA Satoshi:30.0.0 929337 1 minute ago
172.236.35.179 8333 172-236-35-179.ip.linodeuserc… Flag of US US AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
172.236.13.69 8333 172-236-13-69.ip.linodeuserco… Flag of US US AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
81.106.77.112 8333 cpc72391-sotn14-2-0-cust367.1… Flag of GB GB NTL, GB Satoshi:29.0.0 929337 1 minute ago
103.47.56.27 8333 - Flag of US US AS12029, US Satoshi:29.2.0/Knots:20251110 929337 1 minute ago
172.236.20.117 8333 172-236-20-117.ip.linodeuserc… Flag of US US AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
87.208.83.98 8333 98-83-208-87.ftth.glasoperato… Flag of NL NL ODIDO, NL Satoshi:30.0.0 929337 1 minute ago
89.114.226.140 8333 140.226.114.89.rev.vodafone.pt Flag of PT PT VODAFONE-PT Vodafone Portugal, PT Satoshi:30.99.0 929337 1 minute ago
139.162.179.165 8333 139-162-179-165.ip.linodeuser… Flag of NL NL AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
139.162.171.9 8333 139-162-171-9.ip.linodeuserco… Flag of NL NL AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
98.98.47.144 45146 - Flag of US US ZEN-ECN, US Satoshi:30.0.0 929331 1 minute ago
210.54.37.190 59787 - Flag of NZ NZ SPARKNZ Spark New Zealand Trading Ltd., NZ Satoshi:28.1.0/Knots:20250305 929336 1 minute ago
203.51.12.70 52146 cpe-203-51-12-70.static.qld.a… Flag of AU AU ASN-TELSTRA Telstra Limited, AU Satoshi:29.0.0 929336 1 minute ago
173.46.87.138 8333 - Flag of US US AS12029, US Satoshi:29.2.0/Knots:20251110 929336 1 minute ago
139.162.128.150 8333 139-162-128-150.ip.linodeuser… Flag of NL NL AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
71.13.92.62 8333 snyderworld.org Flag of US US CHARTER-20115, US Satoshi:29.2.0 929337 1 minute ago
103.246.186.162 8333 - Flag of US US AS401199, US Satoshi:29.2.0/Knots:20251110 929337 1 minute ago
174.140.231.139 8333 - Flag of US US AS29798, US Satoshi:29.2.0/Knots:20251110 929337 1 minute ago
172.232.62.240 8333 172-232-62-240.ip.linodeuserc… Flag of US US AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
172.232.27.43 8333 172-232-27-43.ip.linodeuserco… Flag of US US AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
80.61.190.103 8333 80-61-190-103.fixed.kpn.net Flag of NL NL KPN KPN National, NL Satoshi:30.0.0 929337 1 minute ago
167.172.59.132 8333 - Flag of US US DIGITALOCEAN-ASN, US Satoshi:25.1.0 929337 1 minute ago
172.235.57.225 8333 172-235-57-225.ip.linodeuserc… Flag of US US AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
13.50.148.205 8333 ec2-13-50-148-205.eu-north-1.… Flag of US US AMAZON-02, US Satoshi:28.1.0 929336 1 minute ago
102.38.199.3 38840 undefined.hostname.localhost Flag of NG NG CDNEXT, GB Satoshi:30.0.0 929336 1 minute ago
92.208.226.180 1926 ipservice-092-208-226-180.092… Flag of DE DE VODANET International IP-Backbone of Vodafone, DE Satoshi:29.2.0 929289 1 minute ago
216.107.135.215 8333 - Flag of US US AS29798, US Satoshi:29.2.0/Knots:20251110 929336 1 minute ago
173.46.87.136 8333 - Flag of US US AS12029, US Satoshi:29.2.0/Knots:20251110 929336 1 minute ago
103.246.186.242 8333 - Flag of US US AS401199, US Satoshi:29.2.0/Knots:20251110 929336 1 minute ago
216.107.135.150 8333 - Flag of US US AS29798, US Satoshi:29.2.0/Knots:20251110 929337 1 minute ago
172.236.224.189 8333 172-236-224-189.ip.linodeuser… Flag of US US AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
89.106.27.207 8333 - Flag of US US AS29798, US Satoshi:29.2.0/Knots:20251110 929337 1 minute ago
172.104.252.110 8333 172-104-252-110.ip.linodeuser… Flag of US US AKAMAI-LINODE-AP Akamai Connected Cloud, SG Satoshi:27.0.0 - 1 minute ago
18.232.102.7 8333 ec2-18-232-102-7.compute-1.am… Flag of US US AMAZON-AES, US Satoshi:0.18.1 929334 1 minute ago
47.155.133.169 53312 47-155-133-169.fdr01.arts.ca.… Flag of US US FRONTIER-FRTR, US Satoshi:22.0.0 929259 1 minute ago
104.0.10.125 8333 104-0-10-125.lightspeed.stlsm… Flag of US US ATT-INTERNET4, US Satoshi:29.2.0/Knots:20251110 929337 1 minute ago
99.163.117.95 8333 99-163-117-95.lightspeed.hstn… Flag of US US ATT-INTERNET4, US Satoshi:28.1.0/Knots:20250305 929337 1 minute ago
📖

What is a Bitcoin Node?

Full Node vs. Light Node

A Bitcoin full node stores the complete blockchain (over 500 GB) and validates every transaction independently. Unlike light nodes (SPV), full nodes don't trust third parties – they verify everything themselves. This makes them essential for Bitcoin's trustless architecture.

Why Run a Bitcoin Node?

Running your own node gives you financial sovereignty – you verify your own transactions without trusting exchanges or third-party services. Node operators also strengthen the network's decentralization and help new nodes synchronize faster.

Network Types: IPv4, IPv6 & Tor

Bitcoin nodes communicate via different network layers. IPv4 nodes are the most common, while IPv6 adoption grows steadily. Tor (.onion) nodes provide enhanced privacy by hiding the operator's IP address, though with slightly higher latency.

Frequently Asked Questions

How many Bitcoin nodes exist worldwide?

Currently, our crawler has discovered 22931 nodes in total, of which 14125 were reachable in the last 24 hours. The actual number of nodes is likely higher, as many operate behind firewalls or NAT without accepting incoming connections.

Which Bitcoin Core version should I run?

Always use the latest stable Bitcoin Core release from bitcoincore.org. Newer versions include security patches, performance improvements, and protocol upgrades. Check our version statistics above to see the most popular versions across the network.

How often is this data updated?

Our Bitcoin network crawler runs continuously, checking node reachability every few minutes. The statistics on this page refresh every 5 minutes. Click on any node to see detailed latency and uptime history.

What hardware do I need for a Bitcoin node?

Minimum requirements: 1 TB SSD (the blockchain grows ~50-80 GB/year), 8 GB RAM, and a stable internet connection. A Raspberry Pi 5 or any low-power mini-PC works well. Initial sync takes 1-3 days depending on your hardware and bandwidth.