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Link to top-level BSIP for Stealth Phase-II

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@ -13,6 +13,8 @@ Confidential Assets (CA) [[2]](#see-also) extends Confidential Transactions (CT)
Confidential Assets is a new, but not un-tested, technology. The Elements Project [[3]](#see-also) maintains an experimental implementation [[4]](#see-also) of CA as a Bitcoin side chain. The code for that project is MIT-licensed and can help guide the implementation of CA in the BitShares ecosystem. Confidential Assets is a new, but not un-tested, technology. The Elements Project [[3]](#see-also) maintains an experimental implementation [[4]](#see-also) of CA as a Bitcoin side chain. The code for that project is MIT-licensed and can help guide the implementation of CA in the BitShares ecosystem.
_This BSIP is one of several describing_ [Stealth development, Phase II](bsip-1200.md).
## Motivation ## Motivation
A user maintains value-blinded balances on the BitShares blockchain as a collection of Pedersen commitments, which are EC curve points that obscure their committed values by adding a secret blinding factor times a generator point. By keeping the blinding factor secret, the user keeps their balance secret. Meanwhile, balances can be transferred, subdivided, or combined, provided the sum of blinding factors for all inputs to a transaction are equal to the sum of blinding factors of all outputs of a transaction. A user wishing to un-blind and "claim" a balance contained in a Pedersen commitment may do so by revealing the blinding factor for that commitment, which then allows the network to verify the committed amount and credit it to a public balance. A user maintains value-blinded balances on the BitShares blockchain as a collection of Pedersen commitments, which are EC curve points that obscure their committed values by adding a secret blinding factor times a generator point. By keeping the blinding factor secret, the user keeps their balance secret. Meanwhile, balances can be transferred, subdivided, or combined, provided the sum of blinding factors for all inputs to a transaction are equal to the sum of blinding factors of all outputs of a transaction. A user wishing to un-blind and "claim" a balance contained in a Pedersen commitment may do so by revealing the blinding factor for that commitment, which then allows the network to verify the committed amount and credit it to a public balance.