Bit coin fiat_barcampbangalore BCB11 Feb 2011Akhil Kodali
Bitcoin is a digital currency powered by a peer-to-peer network used for internet transactions. It features anonymity like cash without central control or inflation. Bitcoins are transferred between addresses by generating digital signatures to link transactions in a publicly distributed blockchain database. Miners generate blocks to record transactions and are awarded new bitcoins as compensation. The identity of Bitcoin's creator, Satoshi Nakamoto, remains unknown.
This document discusses using MongoDB for reporting requirements that could not be met by traditional SQL databases due to constraints around cost and developer skills. Some key points made:
- MongoDB was chosen because it is document-oriented, does not require transactions, and does not need dedicated DBAs, which the organization could not afford.
- Reporting requirements evolved daily, so reporting had to keep up quickly without relying on expensive reporting specialists. Developers handled reporting by using MongoDB's map-reduce functionality, though it was painful.
- Real-time reporting was implemented by creating specific documents to track data and updating them in the background using an existing queue routing framework. This allowed reporting to no longer be disjoint from the application.
The document discusses issues with India's public health system and proposes implementing a health information exchange network called EMREMR. Key issues include doctors lacking proper medical knowledge, workers often absent, and patients bearing the burden of record keeping. EMREMR would streamline information sharing between patients, doctors, hospitals, insurance, and more. A pilot program in one district is suggested to test connecting primary health centers, hospitals, and diagnostic centers through a cloud-based system to improve care quality, access, and preventive healthcare. The lack of electronic medical records across India's fragmented healthcare system is problematic, as it would not be tolerated in other sectors like banking.
Bit coin fiat_barcampbangalore BCB11 Feb 2011Akhil Kodali
Bitcoin is a digital currency powered by a peer-to-peer network used for internet transactions. It features anonymity like cash without central control or inflation. Bitcoins are transferred between addresses by generating digital signatures to link transactions in a publicly distributed blockchain database. Miners generate blocks to record transactions and are awarded new bitcoins as compensation. The identity of Bitcoin's creator, Satoshi Nakamoto, remains unknown.
This document discusses using MongoDB for reporting requirements that could not be met by traditional SQL databases due to constraints around cost and developer skills. Some key points made:
- MongoDB was chosen because it is document-oriented, does not require transactions, and does not need dedicated DBAs, which the organization could not afford.
- Reporting requirements evolved daily, so reporting had to keep up quickly without relying on expensive reporting specialists. Developers handled reporting by using MongoDB's map-reduce functionality, though it was painful.
- Real-time reporting was implemented by creating specific documents to track data and updating them in the background using an existing queue routing framework. This allowed reporting to no longer be disjoint from the application.
The document discusses issues with India's public health system and proposes implementing a health information exchange network called EMREMR. Key issues include doctors lacking proper medical knowledge, workers often absent, and patients bearing the burden of record keeping. EMREMR would streamline information sharing between patients, doctors, hospitals, insurance, and more. A pilot program in one district is suggested to test connecting primary health centers, hospitals, and diagnostic centers through a cloud-based system to improve care quality, access, and preventive healthcare. The lack of electronic medical records across India's fragmented healthcare system is problematic, as it would not be tolerated in other sectors like banking.
