VedexVendorsBlocksize Capital

Blocksize Capital

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Formerly: BSC

“Institutional Data. Transparent Pricing. Zero Limits.”

Blocksize serves as a premier provider of institutional-grade digital asset data and blockchain infrastructure, bridging the gap between traditional finance and the rapidly evolving decentralized ecosystem. Headquartered in Germany, the company is committed to delivering high-fidelity market intelligence that empowers financial institutions, protocols, and data platforms to make informed, real-time decisions. By prioritizing transparency and technical excellence, Blocksize eliminates the common barriers associated with enterprise data acquisition, offering a streamlined approach that favors accessibility without compromising on the rigor required for professional-grade financial operations.

The core mission of the organization is to provide a reliable, high-performance data backbone for the digital asset economy, ensuring that market participants have access to the precise information necessary to navigate volatile environments with confidence. The company specializes in the delivery of ultra-fast, real-time market data, including comprehensive volume-weighted average prices, bid-ask spreads, and granular exchange-level data. These datasets are engineered to support a wide range of critical use cases, from algorithmic trading and quantitative research to risk management and regulatory compliance.

By acting as a trusted oracle operator across major decentralized networks and serving as a Tier-1 publisher for leading price feed protocols, Blocksize ensures that its data is seamlessly integrated into the infrastructure of the modern financial stack. Their technical architecture is designed for high-throughput environments, utilizing robust WebSocket APIs that facilitate continuous data streaming. A key differentiator for Blocksize is its commitment to an open-access model, characterized by the absence of restrictive rate limits or artificial caps on REST calls.

This infrastructure is built to support the demanding requirements of hedge funds, asset managers, and decentralized finance protocols that require sub-second latency and consistent uptime. Furthermore, the company maintains a dynamic approach to asset coverage, continuously expanding its library of trading pairs and integrating high-demand decentralized exchanges to reflect the shifting landscape of global digital asset liquidity. By focusing on the intersection of precision and scalability, Blocksize provides a sophisticated data solution that caters to the needs of modern market participants.

Whether supporting the development of complex financial products or providing the foundational data for automated trading systems, the firm remains dedicated to maintaining the highest standards of data integrity. Through its focus on transparent pricing and reliable delivery, Blocksize continues to establish itself as an essential partner for organizations seeking to leverage digital asset data to drive growth and innovation.

Visit Website [email protected]
Intelligence Score
42/100
Your Rating
Products

4

Type

data_provider

HQ

Germany

Founded

2018

Employees

25

Platforms

2

Domain

blocksize.info

Offering

Cryptocurrency Market Data Infrastructure

Cost Tier

$$

Data Quality SignalsB

Freshness

Recently enriched

API Status

API Available

100Completeness

Compliance (vendor-reported)

SOC 2
ISO 27001
GDPR
CCPA

Quality Breakdown

Data Coverage
68
Documentation
100
Compliance
63
Pricing Clarity
18

Signal Analysis

Categories

Bitcoin Price DataBlockchain DataCryptocurrency DataProviders

Listed On

databricks_marketplacedatarade

Delivery Methods

API

Geographic Coverage

Global

Procurement Intelligence

Primary OfferingReal-time and historical cryptocurrency market data feeds delivered via high-throughput WebSocket and REST APIs.
Best ForQuant traders and crypto-native hedge funds requiring low-latency, high-frequency market data without restrictive API rate limits.
Benefits
  • Unlimited WebSocket streaming
  • No REST API rate caps
  • Sub-second latency performance
  • Institutional-grade data reliability
Disadvantages
  • Smaller team size compared to established incumbents like Kaiko
  • Less focus on advanced on-chain analytics compared to peers like Amberdata
Intelligence ScoresAll pillars scored
Market Presence
36
Trust & Compliance
49
Integration
60
Business Maturity
37
AI Readiness
38
Support & Ops
86
Product Quality
36
Extended Analytics
Price Compete
27
Price Clarity
18

Deep Intelligence

Enriched96% coverage

Web Authority

Notable
46
10 mentions·4 platforms·2 marketplace listings
Reddit
8 × 3 pts+24
data platforms
2 × 8 pts+16
Hacker News
1 × 4 pts+4
Blogs & Newsletters
1 × 2 pts+2
Evidence5 sources
Hacker News

The current bitcoin blocksize is limited to 1mb. This means, ...

The current bitcoin blocksize is limited to 1mb. This means, on average, only 1mb worth of transactions can be written to the ledger.

Reddit

I cant understand the debate about blocksize?

Yes, doubling blocksize would effect mining in a few ways. It would increase supply (of space) driving down fees (bad for miners). And, although ...

Reddit

Vitalik gives his most updated thoughts on the blocksize war

By splitting into 2 camps, they engaged in narrow minded thinking that only blocksize mattered. Even now, Bitcoin has struggled with ...

Trust & Compliance
Trust Score
57/100

Based on vendor-reported attestations, not verified by Vedex. Breach history is not scored.

SOC 2
ISO 27001
GDPR
Encryption: TLS 1.3 for data in transit and AES-256 …Pen Test: Annual third-party penetration testing

These are the vendor's own attestations as collected from public sources, not Vedex's. Verify directly with the vendor.

SOC 2 Type IIIn progress
GDPRFully compliant (DPA available)
ISO 27001No
Risk ScoreNot publicly rated
EncryptionTLS 1.3 for data in transit and AES-256 for data at rest
Penetration TestingAnnual third-party penetration testing
Audit LoggingYes (on request)
Breach HistoryNo public incident found in our search (unverified)
Data Privacy OfficerYes (shared role)
Compliance OfficerYes (part-time)
Privacy LawsGDPR, CCPA/CPRA
Data ResidencyUS, EU
Personal Data BasisNot applicable as dataset is financial/market data
Sub-processor TransparencyAvailable on request

Products (4)

Crypto Real-Time Price Data (VWAP) | +65 DEX & CEX | 10,000 Cryptocurrency Tickers | No Rate Limits
datarade5.0Sample
USA
Blockchain DataCryptocurrency DataBitcoin Price DataProviders
Value 41Price P80Coverage 8Trial 25
Pricing
~$6,588/yr est.
SAMPLE Crypto Real-Time Bid/Ask Price Data | + 65 DEX & CEX | +10,000 Cryptocurrency Tickers | ...
databricks_marketplace

The Bid-Ask cryptocurrency price spread represents the best available buying (bid), selling (ask) and mid prices ...

FINANCIAL
Price P71
Pricing (estimated)
~$34,500/yr est.
SAMPLE Crypto 30 Minute Price Data (VWAP)| 10,000 Cryptocurrency Tickers | +65 DEX & CEX | No ...
databricks_marketplace

The 30 Minute VWAP provides market reference closing prices, calculated by averaging the asset trading prices across ...

FINANCIALOTHER
Price P71
Pricing (estimated)
~$34,500/yr est.
SAMPLE Crypto Real-Time Price Data (VWAP) | +65 DEX & CEX | 10,000 Cryptocurrency Tickers | No ...
databricks_marketplace

The VWAP (Volume-Weighted Average Price) represents the true average price of a cryptocurrency asset over a given ...

FINANCIALOTHER
Price P71
Pricing (estimated)
~$34,500/yr est.

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About Blocksize Capital

Blocksize Capital is a data provider vendor headquartered in Germany, founded in 2018 with approximately 25 employees. Blocksize Capital specializes in bitcoin price data, blockchain data, cryptocurrency data, providers data. This vendor has a Vedex Intelligence Score of 42 out of 100, reflecting market presence, compliance posture, integration readiness, and business maturity.

Data Categories

Blocksize Capital operates in the following alternative data categories.

Bitcoin Price DataBlockchain DataCryptocurrency DataProviders

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