BlockTower Capital was an institutional digital-asset investment management firm founded in 2017, running crypto hedge fund and venture strategies and backed by investors including Andreessen Horowitz (a16z) and Union Square Ventures. As of April 30, 2025 the firm was acquired by and rebranded as Arca; blocktower.com now 301-redirects to ar.ca and BlockTower no longer operates as a standalone brand. The firm published no public API, developer portal, or SDK surface, so there is no API artifact set to enrich here beyond identity and a domain-security probe of the still-resolving legacy domain.
BlockTower Capital is profiled on the APIs.io network. Tagged areas include Company, Cryptocurrency, Digital Assets, Investment Management, and Blockchain.
Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for
this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero:
never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and
several others — scorable at all.
aid: blocktower-capital
deliveryModel:
model: unknown
open_source: false
commercial: false
callable_host: false
label: Delivery model not determined — needs a product licence on record
confidence: low
source:
- none
generated: '2026-08-28'
method: derived
accessModel:
pricing: unknown
onboarding: unknown
trial: false
try_now: false
public: false
label: Unknown
confidence: low
source:
- url: https://blocktower.com
status: 301
note: declared website redirects to https://www.ar.ca/arca-acquires-blocktower — a different registrable domain (blocktower.com
-> ar.ca), possible rename or acquisition (probed 2026-09-03, roadmap#169)
generated: '2026-07-22'
method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/blocktower-capital.png
name: BlockTower Capital
description: BlockTower Capital was an institutional digital-asset investment management firm founded in 2017, running crypto
hedge fund and venture strategies and backed by investors including Andreessen Horowitz (a16z) and Union Square Ventures.
As of April 30, 2025 the firm was acquired by and rebranded as Arca; blocktower.com now 301-redirects to ar.ca and BlockTower
no longer operates as a standalone brand. The firm published no public API, developer portal, or SDK surface, so there is
no API artifact set to enrich here beyond identity and a domain-security probe of the still-resolving legacy domain.
url: https://raw.githubusercontent.com/api-evangelist/blocktower-capital/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
- union-square-ventures
x-tier: stub
x-tier-reason: portfolio-lead
x-status: acquired
x-successor: arca
x-successor-url: https://www.ar.ca
x-acquired-date: '2025-04-30'
x-has-api: false
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Cryptocurrency
- Digital Assets
- Investment Management
- Blockchain
- Venture Capital
- Hedge Fund
- Acquired
apis: []
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com
- FN: APIs.json
email: info@apis.io
common:
- type: DomainSecurity
url: security/blocktower-capital-domain-security.yml
- type: Website
url: https://blocktower.com
x-enrichment:
date: '2026-07-19'
status: backfilled
pass: local-v1
note: backfilled from .gitignore signal + verified work evidence
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