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Castle Island Ventures
Venture capital
At a glance
4 portfolio companies
4 rounds
1 led
$45M total
Portfolio
Company
Rounds
Invested
Arcade
Web3
1 round
$15M
Notabene
Web3
1 round
$10.2M
Build on Bitcoin
Web3
1 round, 1 led
$10M
Try Your Best
Web3
1 round
$9.8M
Frequently co-invests with
Mechanism Ventures
1
Lemniscap
1
F-Prime Capital
1
Bankless Ventures
1
SoGal Ventures
1
UTXO Management
1
Franklin Templeton Blockchain Fund
1
Eniac Ventures
1
Green Visor Capital
1
Unusual Ventures
1
Pantera Capital
1
Jump Capital
1
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