Blocktrail

Blocktrail B.V.

Industry	API
Founded	March 1, 2014
Founder(s)	Boaz Bechar, Ruben de Vries, Jop Hartog
Website	https://www.blocktrail.com

Blocktrail provides a Bitcoin API, developers platform, and a popular block explorer for Bitcoin.

Wallet

Blocktrail provides a bitcoin wallet that gives the user complete ownership of their private keys. It is available on web, android and iOS. We offer our users a wallet that is both familiar and inviting in design, making Bitcoin accessible and easy to use.

Blocktrail's wallet includes:

• HD (hierarchical deterministic) Wallet technology
• Multi-Signature security
• Ability to send directly to your contacts without writing address or scanning QR Code
• UI simplicity & design
• Convenience of mobile & web
• Private keys owned by the user
• Good balance between privacy and convenience
• Floating Fees to deal with the stress tests

Block Explorer

View realtime & historical data on bitcoin addresses, transactions and economy.

• Block Size Vote - Stay up to date with current block size votes.
• Time-based balance analysis - Get usage information based on selectable time periods
• Mentions - Easily see if your searched address appears in any third-party data source
• Address Tags - Quickly determine if the address was involved in known transactions (gambling, donations, etc).
• Search via QR - Search any QR code in one click, directly from our homepage
• Bookmarks & Lists - Easily bookmark addresses and add them to lists for grouped summaries of transactions and balances.

Blocktrail Block Explorer

Bitcoin API and Developers Platform

Blocktrail provides secure bitcoin infrastructure for developers and enterprises, enabling advanced transaction functionality and access to refined economic data-sets. Blocktrail's RESTful HTTP API is free-to-use under rate-limited conditions (1 request per second).

• Secure Bitcoin Transactions - Easily create secure transactions without giving up access to your Bitcoins, using a multi-signature HD wallet API
• Blockchain Data and Insights - Refined data on transactions, addresses, and economy analytics delivered via queries, webhooks or firehose
• Developer friendly - Blocktrail comes complete with SDK's for PHP, Python, NodeJS and more!

Blocktrail Bitcoin API

Examples

Get Bitcoin Address

$ curl "https://api.blocktrail.com/v1/btc/address/1NcXPMRaanz43b1kokpPuYDdk6GGDvxT2T?api_key=MY_APIKEY"

{
   "address": "1NcXPMRaanz43b1kokpPuYDdk6GGDvxT2T",
   "hash160": "ED12908714FFD43142BF9832692017E8AD54E9A8",
   "balance": 49497392,
   "received": 115015000,
   "sent": 65517608,
   "unconfirmed_received": 0,
   "unconfirmed_sent": 0,
   "unconfirmed_transactions": 0,
   "total_transactions_in": 4,
   "total_transactions_out": 10,
   "category": "donations",
   "tag": "blocktrail"
}

Get Latest Block

$ curl "https://api.blocktrail.com/v1/btc/block/latest?api_key=MY_APIKEY"

{
   "hash": "000000000000000005afebaa75ff40714a1ed96539adb1266bbf7be9aaf767ae",
   "height": "321129",
   "block_time": "2014-09-17T09:00:26+0000",
   "difficulty": "29829733124.00000000",
   "merkleroot": "aaadea1a8c2cb1777d822d47e6acd0360b2f2e4f3c7c1f79cb4284866457ade3",
   "prev_block": "000000000000000019bea784e37fe450d522b9a4f0a4e8dcad4bd7c9283e4203",
   "next_block": null,
   "byte_size": "670679",
   "confirmations": 1,
   "transactions": "727",
   "value": "277325560913",
   "miningpool_name": "Eligius",
   "miningpool_url": "http://eligius.st",
   "miningpool_slug": "eligius"
}

See Also

• Block chain browser

External Links

• Home page
• Block Chain Browser
• Follow @blocktrail on twitter
• Bitcointalk thread
• API Documentation