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features.rst

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+Features
+========
+
+- Efficient, lightweight reimplementation of electrum-server
+- Fast synchronization of bitcoin mainnet from Genesis.  Recent
+  hardware should synchronize in well under 24 hours.  The fastest
+  time to height 448k (mid January 2017) reported is under 4h 30m.  On
+  the same hardware JElectrum would take around 4 days and
+  electrum-server probably around 1 month.
+- The full current Electrum protocol is implemented.
+- Various configurable means of controlling resource consumption and
+  handling denial of service attacks.  These include maximum
+  connection counts, subscription limits per-connection and across all
+  connections, maximum response size, per-session bandwidth limits,
+  and session timeouts.
+- Minimal resource usage once caught up and serving clients; tracking the
+  transaction mempool appears to be the most expensive part.
+- Fully asynchronous processing of new blocks, mempool updates, and
+  client requests.  Busy clients should not noticeably impede other
+  clients' requests and notifications, nor the processing of incoming
+  blocks and mempool updates.
+- Daemon failover.  More than one daemon can be specified, and
+  ElectrumX will failover round-robin style if the current one fails
+  for any reason.
+- Peer discovery protocol removes need for IRC
+- Coin abstraction makes compatible altcoin and testnet support easy.