[taler-marketing] branch master updated: -adjust numbers based on feedback

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dold pushed a commit to branch master
in repository marketing.

The following commit(s) were added to refs/heads/master by this push:
     new 96a22e6  -adjust numbers based on feedback
96a22e6 is described below

commit 96a22e685eb29c0d43b46f05c64744cc97c6009a
Author: Florian Dold <florian@dold.me>
AuthorDate: Sun Mar 5 20:46:16 2023 +0100

    -adjust numbers based on feedback
---
 2023-blockchain-integration.md | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/2023-blockchain-integration.md b/2023-blockchain-integration.md
index a61352e..08f03ee 100644
--- a/2023-blockchain-integration.md
+++ b/2023-blockchain-integration.md
@@ -7,23 +7,23 @@ Two types of complementary Blockchain integration are 
possible:
 
 # Taler + RTGS Blockchain
 
-* Blockchain is used as the underlying account-based settlement layer
+* Blockchain can be used as the underlying account-based settlement layer
  * Incoming transactions to exchange are monitored as part of issuing digital 
cash
  * Outgoing payments are initiated by exchange to pay merchants/customers for 
deposited digital cash
 * Requires adapter that exposes HTTP/JSON interface to exchange (called a wire 
gateway)
 * Depolymerizer project implements this for ETH and BTC Blockchains
 
 Implementation estimates (person-days):
-* Subsequent integration w/ different Blockchain: 15-30
+* Subsequent integration w/ different Blockchain: 40-80
 
 # Taler + Data Storage Blockchain
 
-* Taler Exchange uses Blockchain as append-only database for crucial records
+* Taler Exchange can use Blockchain as append-only database for crucial records
   (coin invalidations, deposit confirmations, ...)
 * Architecture: Exchange has postgresql as caching layer, Blockchain as
   source-of-truth. Two-way synchronization between Blockchain and Taler 
exchange
 * Can also be used to improve quantum resilience (c.f. Chaum)
 
 Implementation estimates (person-days):
-* Implementation with first Blockchain: 40-70
-* Subsequent integration w/ different Blockchain: 15-30
+* Implementation with first Blockchain: 200-400
+* Subsequent integration w/ different Blockchain: 40-80

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