दिनदर्शिका · Previous eventsBTCHEL 2025कार्यक्रमाचे अधिकृत पानFri 15 Aug 2025 – 16 Aug (Helsinki, local time)वेळ क्षेत्र: UTC+03:00Location: Helsinki, FinlandSource: BTCX · retrieved 7 Oct 2026नकाशाOrganiser: BTCHELSource: BTCX · retrieved 7 Oct 2026प्रकार: परिषदSource: BTCX · retrieved 7 Oct 2026
