MimbleWimble protocol is a slim-down version of BTC protocol and aims to improve scalability and privacy.
scalability
MimbleWimble focuses on creating new protocols which make running nodes less resource intensive. other projects focuses on centralization and state channels solutions. MimbleWimble is a UTXO-based system, not a state-based system. MimbleWimble gets rid of old and unneeded transactions, which both have large ledgers on BTC and ETH. MimbleWimble's ledger is not burdened by historical data transactions. the ledger's size will always be megabytes.
privacy
MimbleWimble uses Confidential Transactions protocol. this protocol allows users to hide the input and output values, making the information available only to the sender and receiver. MimbleWimble uses CoinJoin protocol. this protocol combines various transactions into one big transaction, where all senders send money to all receivers. by combining Confidential Transactions and CoinJoin, MimbleWimble eliminates the need for traditional signatures per transactions, public keys, and addresses.
https://coindoo.com/what-is-mimblewimble-what-do-we-know-about-grin-and-beam/
Visa will launch its blockchain-based identity system for cross-border payments in the first quarter of 2019.
https://cointelegraph.com/news/visa-set-to-launch-blockchain-based-digital-identity-system-with-ibm-in-q1-2019
global governments will not let decentralized digital coins gain mass adoption: CEO of Sberbank.
https://cointelegraph.com/news/russia-ceo-of-banking-giant-sberbank-says-blockchain-tech-will-be-ready-in-3-5-years
9 crypto experts share their top coin picks for Q4 2018.
https://www.investinblockchain.com/top-coin-picks-q4-2018/
XRP can handle a $ 50 million transaction in 2 seconds.
https://cryptodaily.co.uk/2018/10/xrp-can-handle-a-50million-transaction-in-just-2-seconds/
Dutch telecom company KPN joined NEO as an independent consensus node operator.
https://neonewstoday.com/general/dutch-telecom-company-kpn-voted-in-as-neo-mainnet-consensus-node/
Bahrain’s leading electronic payment provider will use XRP’s xRapid.
https://blokt.com/news/bahrains-leading-electronic-payment-provider-uses-ripples-xrapid-and-will-soon-launch-crypto-mobile-wallet
BTC price turns out to be less volatile than some of Wall Street’s major stocks, says CBOE.
https://www.coinspeaker.com/2018/10/23/btc-price-turns-out-to-be-less-volatile-than-some-of-wall-streets-major-stocks-says-cboe/
XMR's bulletproof upgrade rectifies loopholes in RingCT protocol, says Dr. Sarang Noether.
https://ambcrypto.com/moneros-xmr-bulletproof-upgrade-rectifies-loopholes-in-ringct-protocol-says-dr-sarang-noether/
HTC launches blockchain smartphone ‘Exodus’ with flagship specs.
https://www.ccn.com/htc-launches-blockchain-smartphone-exodus-with-flagship-specs/
BTC, ETH, LTC, and XRP can be used for payments; Wirex will launch prepaid cards in the U.S.
https://ambcrypto.com/xrp-bitcoin-litecoin-ethereum-payments-wirex-announces-the-launch-of-prepaid-cards/
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