Re: [bitcoin-dev] Bitcoin Core 0.11.0 released

[odinn <odinn.cyberguerrilla@riseup.net>]

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The numbering of the version, though. <shivers>

On 07/12/2015 08:49 AM, Wladimir J. van der Laan wrote:
> Bitcoin Core version 0.11.0 is now available from:
> 
> <https://bitcoin.org/bin/bitcoin-core-0.11.0/>
> 
> This is a new major version release, bringing both new features
> and bug fixes.
> 
> Please report bugs using the issue tracker at github:
> 
> <https://github.com/bitcoin/bitcoin/issues>
> 
> The entire distribution is also available as torrent:
> 
> magnet:?xt=urn:btih:82f0d2fa100d6db8a8c1338768dcb9e4e524da13&dn=bitcoi
n-core-0.11.0&tr=udp%3A%2F%2Ftracker.openbittorrent.com%3A80%2Fannounce&
tr=udp%3A%2F%2Ftracker.publicbt.com%3A80%2Fannounce&tr=udp%3A%2F%2Ftrack
er.ccc.de%3A80%2Fannounce&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&
tr=udp%3A%2F%2Fopen.demonii.com%3A1337&ws=https%3A%2F%2Fbitcoin.org%2Fbi
n%2F
>
>  Upgrading and downgrading =========================
> 
> How to Upgrade --------------
> 
> If you are running an older version, shut it down. Wait until it
> has completely shut down (which might take a few minutes for older
> versions), then run the installer (on Windows) or just copy over
> /Applications/Bitcoin-Qt (on Mac) or bitcoind/bitcoin-qt (on
> Linux).
> 
> Downgrade warning ------------------
> 
> Because release 0.10.0 and later makes use of headers-first
> synchronization and parallel block download (see further), the
> block files and databases are not backwards-compatible with
> pre-0.10 versions of Bitcoin Core or other software:
> 
> * Blocks will be stored on disk out of order (in the order they
> are received, really), which makes it incompatible with some tools
> or other programs. Reindexing using earlier versions will also not
> work anymore as a result of this.
> 
> * The block index database will now hold headers for which no block
> is stored on disk, which earlier versions won't support.
> 
> If you want to be able to downgrade smoothly, make a backup of your
> entire data directory. Without this your node will need start
> syncing (or importing from bootstrap.dat) anew afterwards. It is
> possible that the data from a completely synchronised 0.10 node may
> be usable in older versions as-is, but this is not supported and
> may break as soon as the older version attempts to reindex.
> 
> This does not affect wallet forward or backward compatibility.
> There are no known problems when downgrading from 0.11.x to
> 0.10.x.
> 
> Important information ======================
> 
> Transaction flooding ---------------------
> 
> At the time of this release, the P2P network is being flooded with
> low-fee transactions. This causes a ballooning of the mempool
> size.
> 
> If this growth of the mempool causes problematic memory use on your
> node, it is possible to change a few configuration options to work
> around this. The growth of the mempool can be monitored with the
> RPC command `getmempoolinfo`.
> 
> One is to increase the minimum transaction relay fee
> `minrelaytxfee`, which defaults to 0.00001. This will cause
> transactions with fewer BTC/kB fee to be rejected, and thus fewer
> transactions entering the mempool.
> 
> The other is to restrict the relaying of free transactions with 
> `limitfreerelay`. This option sets the number of kB/minute at
> which free transactions (with enough priority) will be accepted. It
> defaults to 15. Reducing this number reduces the speed at which the
> mempool can grow due to free transactions.
> 
> For example, add the following to `bitcoin.conf`:
> 
> minrelaytxfee=0.00005 limitfreerelay=5
> 
> More robust solutions are being worked on for a follow-up release.
> 
> Notable changes ===============
> 
> Block file pruning ----------------------
> 
> This release supports running a fully validating node without
> maintaining a copy of the raw block and undo data on disk. To
> recap, there are four types of data related to the blockchain in
> the bitcoin system: the raw blocks as received over the network
> (blk???.dat), the undo data (rev???.dat), the block index and the 
> UTXO set (both LevelDB databases). The databases are built from the
> raw data.
> 
> Block pruning allows Bitcoin Core to delete the raw block and undo
> data once it's been validated and used to build the databases. At
> that point, the raw data is used only to relay blocks to other
> nodes, to handle reorganizations, to look up old transactions (if
> -txindex is enabled or via the RPC/REST interfaces), or for
> rescanning the wallet. The block index continues to hold the
> metadata about all blocks in the blockchain.
> 
> The user specifies how much space to allot for block & undo files.
> The minimum allowed is 550MB. Note that this is in addition to
> whatever is required for the block index and UTXO databases. The
> minimum was chosen so that Bitcoin Core will be able to maintain at
> least 288 blocks on disk (two days worth of blocks at 10 minutes
> per block). In rare instances it is possible that the amount of
> space used will exceed the pruning target in order to keep the
> required last 288 blocks on disk.
> 
> Block pruning works during initial sync in the same way as during
> steady state, by deleting block files "as you go" whenever disk
> space is allocated. Thus, if the user specifies 550MB, once that
> level is reached the program will begin deleting the oldest block
> and undo files, while continuing to download the blockchain.
> 
> For now, block pruning disables block relay.  In the future, nodes
> with block pruning will at a minimum relay "new" blocks, meaning
> blocks that extend their active chain.
> 
> Block pruning is currently incompatible with running a wallet due
> to the fact that block data is used for rescanning the wallet and
> importing keys or addresses (which require a rescan.) However,
> running the wallet with block pruning will be supported in the near
> future, subject to those limitations.
> 
> Block pruning is also incompatible with -txindex and will
> automatically disable it.
> 
> Once you have pruned blocks, going back to unpruned state requires
>  re-downloading the entire blockchain. To do this, re-start the
> node with -reindex. Note also that any problem that would cause a
> user to reindex (e.g., disk corruption) will cause a pruned node to
> redownload the entire blockchain. Finally, note that when a pruned
> node reindexes, it will delete any blk???.dat and rev???.dat files
> in the data directory prior to restarting the download.
> 
> To enable block pruning on the command line:
> 
> - `-prune=N`: where N is the number of MB to allot for raw block &
> undo data.
> 
> Modified RPC calls:
> 
> - `getblockchaininfo` now includes whether we are in pruned mode or
> not. - `getblock` will check if the block's data has been pruned
> and if so, return an error. - `getrawtransaction` will no longer be
> able to locate a transaction that has a UTXO but where its block
> file has been pruned.
> 
> Pruning is disabled by default.
> 
> Big endian support --------------------
> 
> Experimental support for big-endian CPU architectures was added in
> this release. All little-endian specific code was replaced with
> endian-neutral constructs. This has been tested on at least MIPS
> and PPC hosts. The build system will automatically detect the
> endianness of the target.
> 
> Memory usage optimization --------------------------
> 
> There have been many changes in this release to reduce the default
> memory usage of a node, among which:
> 
> - Accurate UTXO cache size accounting (#6102); this makes the
> option `-dbcache` precise where this grossly underestimated memory
> usage before - Reduce size of per-peer data structure (#6064 and
> others); this increases the number of connections that can be
> supported with the same amount of memory - Reduce the number of
> threads (#5964, #5679); lowers the amount of (esp. virtual) memory
> needed
> 
> Fee estimation changes ----------------------
> 
> This release improves the algorithm used for fee estimation.
> Previously, -1 was returned when there was insufficient data to
> give an estimate.  Now, -1 will also be returned when there is no
> fee or priority high enough for the desired confirmation target. In
> those cases, it can help to ask for an estimate for a higher target
> number of blocks. It is not uncommon for there to be no fee or
> priority high enough to be reliably (85%) included in the next
> block and for this reason, the default for `-txconfirmtarget=n` has
> changed from 1 to 2.
> 
> Privacy: Disable wallet transaction broadcast 
> ----------------------------------------------
> 
> This release adds an option `-walletbroadcast=0` to prevent
> automatic transaction broadcast and rebroadcast (#5951). This
> option allows separating transaction submission from the node
> functionality.
> 
> Making use of this, third-party scripts can be written to take care
> of transaction (re)broadcast:
> 
> - Send the transaction as normal, either through RPC or the GUI -
> Retrieve the transaction data through RPC using `gettransaction`
> (NOT `getrawtransaction`). The `hex` field of the result will
> contain the raw hexadecimal representation of the transaction - The
> transaction can then be broadcasted through arbitrary mechanisms 
> supported by the script
> 
> One such application is selective Tor usage, where the node runs on
> the normal internet but transactions are broadcasted over Tor.
> 
> For an example script see
> [bitcoin-submittx](https://github.com/laanwj/bitcoin-submittx).
> 
> Privacy: Stream isolation for Tor 
> ----------------------------------
> 
> This release adds functionality to create a new circuit for every
> peer connection, when the software is used with Tor. The new
> option, `-proxyrandomize`, is on by default.
> 
> When enabled, every outgoing connection will (potentially) go
> through a different exit node. That significantly reduces the
> chance to get unlucky and pick a single exit node that is either
> malicious, or widely banned from the P2P network. This improves
> connection reliability as well as privacy, especially for the
> initial connections.
> 
> **Important note:** If a non-Tor SOCKS5 proxy is configured that
> supports authentication, but doesn't require it, this change may
> cause that proxy to reject connections. A user and password is sent
> where they weren't before. This setup is exceedingly rare, but in
> this case `-proxyrandomize=0` can be passed to disable the
> behavior.
> 
> 0.11.0 Change log =================
> 
> Detailed release notes follow. This overview includes changes that
> affect behavior, not code moves, refactors and string updates. For
> convenience in locating the code changes and accompanying
> discussion, both the pull request and git merge commit are
> mentioned.
> 
> ### RPC and REST - #5461 `5f7279a` signrawtransaction: validate
> private key - #5444 `103f66b` Add
> /rest/headers/<count>/<hash>.<ext> - #4964 `95ecc0a` Add
> scriptPubKey field to validateaddress RPC call - #5476 `c986972`
> Add time offset into getpeerinfo output - #5540 `84eba47` Add
> unconfirmed and immature balances to getwalletinfo - #5599
> `40e96a3` Get rid of the internal miner's hashmeter - #5711
> `87ecfb0` Push down RPC locks - #5754 `1c4e3f9` fix
> getblocktemplate lock issue - #5756 `5d901d8` Fix
> getblocktemplate_proposals test by mining one block - #5548
> `d48ce48` Add /rest/chaininfos - #5992 `4c4f1b4` Push down RPC
> reqWallet flag - #6036 `585b5db` Show zero value txouts in
> listunspent - #5199 `6364408` Add RPC call `gettxoutproof` to
> generate and verify merkle blocks - #5418 `16341cc` Report missing
> inputs in sendrawtransaction - #5937 `40f5e8d` show script
> verification errors in signrawtransaction result - #5420 `1fd2d39`
> getutxos REST command (based on Bip64) - #6193 `42746b0` [REST]
> remove json input for getutxos, limit to query max. 15 outpoints -
> #6226 `5901596` json: fail read_string if string contains trailing
> garbage
> 
> ### Configuration and command-line options - #5636 `a353ad4` Add
> option `-allowselfsignedrootcertificate` to allow self signed root
> certs (for testing payment requests) - #5900 `3e8a1f2` Add a
> consistency check `-checkblockindex` for the block chain data
> structures - #5951 `7efc9cf` Make it possible to disable wallet
> transaction broadcast (using `-walletbroadcast=0`) - #5911
> `b6ea3bc` privacy: Stream isolation for Tor (on by default, use
> `-proxyrandomize=0` to disable) - #5863 `c271304` Add autoprune
> functionality (`-prune=<size>`) - #6153 `0bcf04f` Parameter
> interaction: disable upnp if -proxy set - #6274 `4d9c7fe` Add
> option `-alerts` to opt out of alert system
> 
> ### Block and transaction handling - #5367 `dcc1304` Do all block
> index writes in a batch - #5253 `203632d` Check against MANDATORY
> flags prior to accepting to mempool - #5459 `4406c3e` Reject
> headers that build on an invalid parent - #5481 `055f3ae` Apply
> AreSane() checks to the fees from the network - #5580 `40d65eb`
> Preemptively catch a few potential bugs - #5349 `f55c5e9` Implement
> test for merkle tree malleability in CPartialMerkleTree - #5564
> `a89b837` clarify obscure uses of EvalScript() - #5521 `8e4578a`
> Reject non-final txs even in testnet/regtest - #5707 `6af674e`
> Change hardcoded character constants to descriptive named constants
> for db keys - #5286 `fcf646c` Change the default maximum OP_RETURN
> size to 80 bytes - #5710 `175d86e` Add more information to errors
> in ReadBlockFromDisk - #5948 `b36f1ce` Use GetAncestor to compute
> new target - #5959 `a0bfc69` Add additional block index consistency
> checks - #6058 `7e0e7f8` autoprune minor post-merge improvements -
> #5159 `2cc1372` New fee estimation code - #6102 `6fb90d8` Implement
> accurate UTXO cache size accounting - #6129 `2a82298` Bug fix for
> clearing fCheckForPruning - #5947 `e9af4e6` Alert if it is very
> likely we are getting a bad chain - #6203 `c00ae64` Remove P2SH
> coinbase flag, no longer interesting - #5985 `37b4e42` Fix removing
> of orphan transactions - #6221 `6cb70ca` Prune: Support
> noncontiguous block files - #6256 `fce474c` Use best header chain
> timestamps to detect partitioning - #6233 `a587606` Advance
> pindexLastCommonBlock for blocks in chainActive
> 
> ### P2P protocol and network code - #5507 `844ace9` Prevent DOS
> attacks on in-flight data structures - #5770 `32a8b6a` Sanitize
> command strings before logging them - #5859 `dd4ffce` Add correct
> bool combiner for net signals - #5876 `8e4fd0c` Add a NODE_GETUTXO
> service bit and document NODE_NETWORK - #6028 `b9311fb` Move
> nLastTry from CAddress to CAddrInfo - #5662 `5048465` Change
> download logic to allow calling getdata on inbound peers - #5971
> `18d2832` replace absolute sleep with conditional wait - #5918
> `7bf5d5e` Use equivalent PoW for non-main-chain requests - #6059
> `f026ab6` chainparams: use SeedSpec6's rather than CAddress's for
> fixed seeds - #6080 `31c0bf1` Add jonasschnellis dns seeder - #5976
> `9f7809f` Reduce download timeouts as blocks arrive - #6172
> `b4bbad1` Ignore getheaders requests when not synced - #5875
> `304892f` Be stricter in processing unrequested blocks - #6333
> `41bbc85` Hardcoded seeds update June 2015
> 
> ### Validation - #5143 `48e1765` Implement BIP62 rule 6 - #5713
> `41e6e4c` Implement BIP66
> 
> ### Build system - #5501 `c76c9d2` Add mips, mipsel and aarch64 to
> depends platforms - #5334 `cf87536` libbitcoinconsensus: Add
> pkg-config support - #5514 `ed11d53` Fix 'make distcheck' - #5505
> `a99ef7d` Build winshutdownmonitor.cpp on Windows only - #5582
> `e8a6639` Osx toolchain update - #5684 `ab64022` osx: bump build
> sdk to 10.9 - #5695 `23ef5b7` depends: latest config.guess and
> config.sub - #5509 `31dedb4` Fixes when compiling in c++11 mode -
> #5819 `f8e68f7` release: use static libstdc++ and disable reduced
> exports by default - #5510 `7c3fbc3` Big endian support - #5149
> `c7abfa5` Add script to verify all merge commits are signed - #6082
> `7abbb7e` qt: disable qt tests when one of the checks for the gui
> fails - #6244 `0401aa2` configure: Detect (and reject) LibreSSL -
> #6269 `95aca44` gitian: Use the new bitcoin-detached-sigs git repo
> for OSX signatures - #6285 `ef1d506` Fix scheduler build with some
> boost versions. - #6280 `25c2216` depends: fix Boost 1.55 build on
> GCC 5 - #6303 `b711599` gitian: add a gitian-win-signer descriptor 
> - #6246 `8ea6d37` Fix build on FreeBSD - #6282 `daf956b` fix crash
> on shutdown when e.g. changing -txindex and abort action - #6354
> `bdf0d94` Gitian windows signing normalization
> 
> ### Wallet - #2340 `811c71d` Discourage fee sniping with nLockTime 
> - #5485 `d01bcc4` Enforce minRelayTxFee on wallet created tx and
> add a maxtxfee option - #5508 `9a5cabf` Add RandAddSeedPerfmon to
> MakeNewKey - #4805 `8204e19` Do not flush the wallet in
> AddToWalletIfInvolvingMe(..) - #5319 `93b7544` Clean up wallet
> encryption code - #5831 `df5c246` Subtract fee from amount - #6076
> `6c97fd1` wallet: fix boost::get usage with boost 1.58 - #5511
> `23c998d` Sort pending wallet transactions before reaccepting -
> #6126 `26e08a1` Change default nTxConfirmTarget to 2 - #6183
> `75a4d51` Fix off-by-one error w/ nLockTime in the wallet - #6276
> `c9fd907` Fix getbalance * 0
> 
> ### GUI - #5219 `f3af0c8` New icons - #5228 `bb3c75b` HiDPI
> (retina) support for splash screen - #5258 `73cbf0a` The RPC
> Console should be a QWidget to make window more independent - #5488
> `851dfc7` Light blue icon color for regtest - #5547 `a39aa74` New
> icon for the debug window - #5493 `e515309` Adopt style colour for
> button icons - #5557 `70477a0` On close of splashscreen interrupt
> verifyDB - #5559 `83be8fd` Make the command-line-args dialog
> better - #5144 `c5380a9` Elaborate on signverify message dialog
> warning - #5489 `d1aa3c6` Optimize PNG files - #5649 `e0cd2f5` Use
> text-color icons for system tray Send/Receive menu entries - #5651
> `848f55d` Coin Control: Use U+2248 "ALMOST EQUAL TO" rather than a
> simple tilde - #5626 `ab0d798` Fix icon sizes and column width -
> #5683 `c7b22aa` add new osx dmg background picture - #5620
> `7823598` Payment request expiration bug fix - #5729 `9c4a5a5`
> Allow unit changes for read-only BitcoinAmountField - #5753
> `0f44672` Add bitcoin logo to about screen - #5629 `a956586`
> Prevent amount overflow problem with payment requests - #5830
> `215475a` Don't save geometry for options and about/help window -
> #5793 `d26f0b2` Honor current network when creating autostart link 
> - #5847 `f238add` Startup script for centos, with documentation -
> #5915 `5bd3a92` Fix a static qt5 crash when using certain versions
> of libxcb - #5898 `bb56781` Fix rpc console font size to flexible
> metrics - #5467 `bc8535b` Payment request / server work - part 2 -
> #6161 `180c164` Remove movable option for toolbar - #6160 `0d862c2`
> Overviewpage: make sure warning icons gets colored
> 
> ### Tests - #5453 `2f2d337` Add ability to run single test manually
> to RPC tests - #5421 `886eb57` Test unexecuted OP_CODESEPARATOR -
> #5530 `565b300` Additional rpc tests - #5611 `37b185c` Fix spurious
> windows test failures after 012598880c - #5613 `2eda47b` Fix
> smartfees test for change to relay policy - #5612 `e3f5727` Fix
> zapwallettxes test - #5642 `30a5b5f` Prepare paymentservertests for
> new unit tests - #5784 `e3a3cd7` Fix usage of NegateSignatureS in
> script_tests - #5813 `ee9f2bf` Add unit tests for next difficulty
> calculations - #5855 `d7989c0` Travis: run unit tests in different
> orders - #5852 `cdae53e` Reinitialize state in between individual
> unit tests. - #5883 `164d7b6` tests: add a BasicTestingSetup and
> apply to all tests - #5940 `446bb70` Regression test for
> ResendWalletTransactions - #6052 `cf7adad` fix and enable bip32
> unit test - #6039 `734f80a` tests: Error when setgenerate is used
> on regtest - #6074 `948beaf` Correct the PUSHDATA4 minimal encoding
> test in script_invalid.json - #6032 `e08886d` Stop nodes after RPC
> tests, even with --nocleanup - #6075 `df1609f` Add additional
> script edge condition tests - #5981 `da38dc6` Python P2P testing -
> #5958 `9ef00c3` Add multisig rpc tests - #6112 `fec5c0e` Add more
> script edge condition tests
> 
> ### Miscellaneous - #5457, #5506, #5952, #6047 Update libsecp256k1 
> - #5437 `84857e8` Add missing CAutoFile::IsNull() check in main -
> #5490 `ec20fd7` Replace uint256/uint160 with opaque blobs where
> possible - #5654, #5764 Adding jonasschnelli's GPG key - #5477
> `5f04d1d` OS X 10.10: LSSharedFileListItemResolve() is deprecated -
> #5679 `beff11a` Get rid of DetectShutdownThread - #5787 `9bd8c9b`
> Add fanquake PGP key - #5366 `47a79bb` No longer check osx
> compatibility in RenameThread - #5689 `07f4386` openssl: abstract
> out OPENSSL_cleanse - #5708 `8b298ca` Add list of implemented BIPs 
> - #5809 `46bfbe7` Add bitcoin-cli man page - #5839 `86eb461` keys:
> remove libsecp256k1 verification until it's actually supported -
> #5749 `d734d87` Help messages correctly formatted (79 chars) -
> #5884 `7077fe6` BUGFIX: Stack around the variable 'rv' was
> corrupted - #5849 `41259ca` contrib/init/bitcoind.openrc:
> Compatibility with previous OpenRC init script variables - #5950
> `41113e3` Fix locale fallback and guard tests against invalid
> locale settings - #5965 `7c6bfb1` Add git-subtree-check.sh script -
> #6033 `1623f6e` FreeBSD, OpenBSD thread renaming - #6064 `b46e7c2`
> Several changes to mruset - #6104 `3e2559c` Show an init message
> while activating best chain - #6125 `351f73e` Clean up parsing of
> bool command line args - #5964 `b4c219b` Lightweight task
> scheduler - #6116 `30dc3c1` [OSX] rename Bitcoin-Qt.app to
> Bitcoin-Core.app - #6168 `b3024f0` contrib/linearize: Support
> linearization of testnet blocks - #6098 `7708fcd` Update Windows
> resource files (and add one for bitcoin-tx) - #6159 `e1412d3` Catch
> errors on datadir lock and pidfile delete - #6186 `182686c` Fix two
> problems in CSubnet parsing - #6174 `df992b9` doc: add translation
> strings policy - #6210 `dfdb6dd` build: disable optional use of gmp
> in internal secp256k1 build - #6264 `94cd705` Remove translation
> for -help-debug options - #6286 `3902c15` Remove berkeley-db4
> workaround in MacOSX build docs - #6319 `3f8fcc9` doc: update
> mailing list address
> 
> Credits =======
> 
> Thanks to everyone who directly contributed to this release:
> 
> - 21E14 - Adam Weiss - Alex Morcos - ayeowch - azeteki - Ben
> Holden-Crowther - bikinibabe - BitcoinPRReadingGroup - Blake
> Jakopovic - BtcDrak - charlescharles - Chris Arnesen - Ciemon -
> CohibAA - Corinne Dashjr - Cory Fields - Cozz Lovan - Daira
> Hopwood - Daniel Kraft - Dave Collins - David A. Harding - dexX7 -
> Earlz - Eric Lombrozo - Eric R. Schulz - Everett Forth - Flavien
> Charlon - fsb4000 - Gavin Andresen - Gregory Maxwell - Heath - Ivan
> Pustogarov - Jacob Welsh - Jameson Lopp - Jason Lewicki - Jeff
> Garzik - Jonas Schnelli - Jonathan Brown - Jorge Timón - joshr -
> jtimon - Julian Yap - Luca Venturini - Luke Dashjr - Manuel Araoz -
> MarcoFalke - Matt Bogosian - Matt Corallo - Micha - Michael Ford -
> Mike Hearn - mrbandrews - Nicolas Benoit - paveljanik - Pavel
> Janík - Pavel Vasin - Peter Todd - Philip Kaufmann - Pieter Wuille 
> - pstratem - randy-waterhouse - rion - Rob Van Mieghem - Ross
> Nicoll - Ruben de Vries - sandakersmann - Shaul Kfir - Shawn
> Wilkinson - sinetek - Suhas Daftuar - svost - Thomas Zander - Tom
> Harding - UdjinM6 - Vitalii Demianets - Wladimir J. van der Laan
> 
> And all those who contributed additional code review and/or
> security research:
> 
> - Sergio Demian Lerner
> 
> As well as everyone that helped translating on
> [Transifex](https://www.transifex.com/projects/p/bitcoin/).
> 
> 
> _______________________________________________ bitcoin-dev mailing
> list bitcoin-dev@lists.linuxfoundation.org 
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
> 

- -- 
http://abis.io ~
"a protocol concept to enable decentralization
and expansion of a giving economy, and a new social good"
https://keybase.io/odinn
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