id,date,date_precision,status,transaction_type,round,amount_usd_low,amount_usd_high,lead_or_buyer,co_leads,valuation_usd_low,valuation_usd_high,valuation_basis,valuation_to_run_rate_multiple,multiple_bound,multiple_basis,step_up_vs_prior_closed,price_per_share_usd_low,price_per_share_usd_high,shares,source,source_url,other_source_urls,notes,last_updated convertible-2024-10-15,2024-10-15,day,Closed round,convertible,Convertible note financing,210000000,210000000,Fulgur Ventures,,,,No valuation disclosed; Blockstream declined to give an updated valuation to BetaKit,,,,,,,,"Blockstream, 15 Oct 2024",https://blockstream.com/press-releases/2024-10-15-blockstream-secures-210m-dollars-led-fulgur-ventures-drive-layer-2-growth-expand-bitcoin-treasury/,https://betakit.com/bitcoin-infrastructure-unicorn-blockstream-raises-289-million-cad-to-boost-mining-operations/,"Convertible notes, not a priced equity round. BetaKit: Bloomberg reported in December 2022 that Blockstream was raising at a lower valuation than in 2021.",2026-11-13 convertible-2023-01,2023-01,month,Closed round,convertible,Convertible note and secured loan,125000000,125000000,Not confirmed in a readable source; Fulgur Ventures participated (BetaKit),,,,No valuation disclosed,,,,,,,,"Blockstream via PRWeb, Jan 2023",https://www.prweb.com/releases/blockstream-raises-usd-125m-to-expand-mining-operations-867160142.html,https://betakit.com/bitcoin-infrastructure-unicorn-blockstream-raises-289-million-cad-to-boost-mining-operations/,"To expand Bitcoin mining and hosting. Combines convertible notes and a secured loan; Blockstream’s release (PRWeb) blocks our fetcher, so the amount is cross-checked with BetaKit (2024).",2026-11-13 series-b-2021-08-24,2021-08-24,day,Closed round,primary_equity,Series B,210000000,210000000,"Baillie Gifford, iFinex (Bitfinex)",,3200000000,3200000000,"Stated by Blockstream (“on a valuation of $3.2 billion”); BetaKit, which reports in Canadian dollars (it gives the round as “$266 million CAD ($210 million USD)”), later wrote $4B; not a conflict in US$, so the page uses Blockstream’s US$ figure",,,,,,,,"Blockstream, 24 Aug 2021",https://blog.blockstream.com/en-blockstream-secures-210m-series-b-financing/,,"Blockstream (2021): “In 2016 we raised $57 million in our Series A round, and followed that with a $11 million convertible note” (the note is not shown as a separate row).",2026-11-13 series-a-2016-02-03,2016-02-03,day,Closed round,primary_equity,Series A,55000000,55000000,"Horizons Ventures, AXA Strategic Ventures, Digital Garage",,,,No valuation disclosed,,,,,,,,"Blockstream, 3 Feb 2016",https://blockstream.com/press-releases/2016-02-03-blockstream-announces-55-million-series-a-investment/,https://betakit.com/blockstream-raises-55-million-series-a/ https://blog.blockstream.com/en-blockstream-secures-210m-series-b-financing/,Blockstream (2016): “$55 million in Series A funding … bringing total capital raised to $76 million”. Its 2021 Series B announcement gives the Series A as $57 million; the row uses the figure announced at the time.,2026-11-13 seed-2014-11-17,2014-11-17,day,Closed round,primary_equity,Seed,21000000,21000000,"Reid Hoffman, Khosla Ventures, Real Ventures","With: Innovation Endeavors, Max Levchin, Ribbit Capital, Mosaic Ventures and others (nearly 40 investors)",,,No valuation disclosed,,,,,,,,"Blockstream, 17 Nov 2014",https://blog.blockstream.com/en-blockstream-closes-21m-seed-round/,https://betakit.com/blockstream-raises-21-million-from-40-investors-including-reid-hoffman-real-ventures-khosla-ventures/,"Blockstream: “closed a $21 million seed round … led by Reid Hoffman, Khosla Ventures and Real Ventures”.",2026-11-13