Presentation:

Steve B - Automated utility for spreadsheets, to produce both gain/loss and wallet reconciliation reporting using the blockchain 

Topics:

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/5835
https://github.com/bitcoin/bitcoin/pull/5863
https://github.com/bitcoin/bitcoin/pull/5875
https://github.com/bitcoin/bitcoin/pull/5885
https://github.com/bitcoin/bitcoin/pull/5891
https://github.com/bitcoin/bitcoin/pull/5879
https://github.com/bitcoin/bitcoin/pull/5896
https://github.com/bitcoin/bitcoin/pull/5911
https://github.com/bitcoin/bitcoin/pull/5864
https://github.com/sipa/bitcoin/commit/9c2737901b5203f267d21d728019d64b46f1d9f3
https://github.com/bitcoin/bitcoin/pull/5820
https://github.com/bitcoin/bitcoin/issues/5783#issuecomment[masked]

Weekly Mining Statistics
http://organofcorti.blogspot.com/2015/03/march-1st-2015-mining-pool-statistics.html
http://organofcorti.blogspot.com/2015/03/march-1st-2015-block-maker-statistics.html
http://organofcorti.blogspot.com/2015/03/march-1st-2015-network-statistics.html

Chainanalysis Sybil Attack
https://bitcointalk.org/index.php?topic=978088.msg10756505#msg[masked]
https://www.reddit.com/r/Bitcoin/comments/2yvy6b/a_regulatory_compliance_service_is_sybil/
http://sourceforge.net/p/bitcoin/mailman/message/33600873/
http://sourceforge.net/p/bitcoin/mailman/message/33602678/

Threshold Signatures
https://freedom-to-tinker.com/blog/stevenag/threshold-signatures-for-bitcoin-wallets-are-finally-here/

Transaction Spamming Attack (january, last graph)
http://213.165.91.169/

BIP: Deterministic multi-signature P2SH addresses
https://github.com/bitcoin/bips/pull/146

A brief history of Bitcoin “wallet” growth
http://www.ofnumbers.com/2015/03/01/a-brief-history-of-bitcoin-wallet-growth/

Research Perspectives and Challenges for Bitcoin and Cryptocurrencies
http://www.jbonneau.com/doc/BMCNKF15-IEEESP-bitcoin.pdf

Electrum 2.0
https://github.com/spesmilo/electrum/tree/2.0
(BIP 39 Discussion) http://sourceforge.net/p/bitcoin/mailman/message/33585048/

Authy Vulnerability
http://sakurity.com/blog/2015/03/15/authy_bypass.html/