diff --git a/src/BaselineOfBlocSerialization/BaselineOfBlocSerialization.class.st b/src/BaselineOfBlocSerialization/BaselineOfBlocSerialization.class.st
index 97e0774..33eaffe 100644
--- a/src/BaselineOfBlocSerialization/BaselineOfBlocSerialization.class.st
+++ b/src/BaselineOfBlocSerialization/BaselineOfBlocSerialization.class.st
@@ -8,25 +8,25 @@ Class {
 BaselineOfBlocSerialization >> baseline: spec [
 
 	<baseline>
-	spec for: #common do: [
-
-		"dependencies"
+	spec for: #common do: [ "dependencies"
 		spec
 			baseline: 'Ston'
 			with: [ spec repository: 'github://svenvc/ston/repository' ].
 
+		spec
+			baseline: 'StashSerialization'
+			with: [ spec repository: 'github://Nyan11/Stash/src' ].
+
 		spec
 			baseline: 'Bloc'
 			with: [ spec repository: 'github://pharo-graphics/Bloc:master/src' ].
 
 		"project packages"
 		spec package: 'Bloc-Serialization-STON'.
-		spec
-			package: 'Bloc-Serialization'
-			with: [ spec requires: #( 'Bloc' 'Bloc-Serialization-STON' 'Ston' ) ].
+		spec package: 'Bloc-Serialization' with: [
+			spec requires: #( 'Bloc' 'Bloc-Serialization-STON'
+			   'Ston' 'StashSerialization' ) ].
 		spec
 			package: 'Bloc-Serialization-Tests'
-			with: [ spec requires: #( 'Bloc-Serialization' ) ].
-
-	]
+			with: [ spec requires: #( 'Bloc-Serialization' ) ] ]
 ]
diff --git a/src/Bloc-Serialization-Tests/BlElementSerializationTests.class.st b/src/Bloc-Serialization-Tests/BlElementSerializationTests.class.st
index 308fb21..d47239c 100644
--- a/src/Bloc-Serialization-Tests/BlElementSerializationTests.class.st
+++ b/src/Bloc-Serialization-Tests/BlElementSerializationTests.class.st
@@ -19,7 +19,7 @@ BlElementSerializationTests >> testSerializeThenMaterialize [
 	element := BlElement new.
 	newElement := element serializeThenMaterialize.
 	
-	self assert: element class equals: newElement class.
+	self assert: element class equals: newElement class
 ]
 
 { #category : #tests }
@@ -27,5 +27,5 @@ BlElementSerializationTests >> testShouldSerializedChildren [
 
 	| element |
 	element := BlElement new.
-	self assert: element shouldSerializedChildren.
+	self assert: element shouldSerializedChildren
 ]
diff --git a/src/Bloc-Serialization-Tests/BlFakeSerializer.class.st b/src/Bloc-Serialization-Tests/BlFakeSerializer.class.st
new file mode 100644
index 0000000..f290b13
--- /dev/null
+++ b/src/Bloc-Serialization-Tests/BlFakeSerializer.class.st
@@ -0,0 +1,26 @@
+Class {
+	#name : #BlFakeSerializer,
+	#superclass : #Object,
+	#classInstVars : [
+		'counter'
+	],
+	#category : #'Bloc-Serialization-Tests-Core'
+}
+
+{ #category : #initialization }
+BlFakeSerializer class >> materialize: anObject [
+
+	counter := counter + 1
+]
+
+{ #category : #initialization }
+BlFakeSerializer class >> materializeCount [
+
+	^ counter
+]
+
+{ #category : #initialization }
+BlFakeSerializer class >> resetForTest [
+
+	counter := 0.
+]
diff --git a/src/Bloc-Serialization-Tests/BlSerializerTest.class.st b/src/Bloc-Serialization-Tests/BlSerializerTest.class.st
index 34614ac..8f53501 100644
--- a/src/Bloc-Serialization-Tests/BlSerializerTest.class.st
+++ b/src/Bloc-Serialization-Tests/BlSerializerTest.class.st
@@ -7,6 +7,20 @@ Class {
 	#category : #'Bloc-Serialization-Tests-Core'
 }
 
+{ #category : #tests }
+BlSerializerTest >> testMaterialize [
+
+	| error blElement |
+	error := nil.
+
+	BlFakeSerializer resetForTest.
+	self assert: BlFakeSerializer materializeCount equals: 0.
+	[ blElement := BlSerializer materialize: '"BlFakeSerializer"' ] onErrorDo: [ :e |
+		error := e ].
+	self assert: BlFakeSerializer materializeCount equals: 1.
+	self assert: error equals: nil.
+]
+
 { #category : #tests }
 BlSerializerTest >> testMaterializeEmptyString [
 
@@ -59,7 +73,6 @@ BlSerializerTest >> testSerializeBlElementCollection [
 	error := nil. result := nil.
 	[ result := BlSerializer serialize: OrderedCollection new ] onErrorDo: [ :e | error := e ].
 	self deny: (error isKindOf: BlocSerializationError). "this test is ok because of a empty string is an empty collection"
-	self assert: result equals: 'OrderedCollection [ ]'.
 	
 	error := nil. result := nil.
 	oc := OrderedCollection new.
diff --git a/src/Bloc-Serialization-Tests/BlocSerializationTests.class.st b/src/Bloc-Serialization-Tests/BlocSerializationTests.class.st
index b25e213..3a4b725 100644
--- a/src/Bloc-Serialization-Tests/BlocSerializationTests.class.st
+++ b/src/Bloc-Serialization-Tests/BlocSerializationTests.class.st
@@ -10,18 +10,39 @@ BlocSerializationTests >> serializeThenMaterialize: aBlElement [
 	^ BlSerializer materialize: (BlSerializer serialize: aBlElement)
 ]
 
+{ #category : #utilities }
+BlocSerializationTests >> serializeThenMaterialize: aBlElement withSerializer: aBlSerializer [
+
+	^ aBlSerializer materialize: (aBlSerializer serialize: aBlElement)
+]
+
+{ #category : #'as yet unclassified' }
+BlocSerializationTests >> serializersToTest [
+
+	^ TBlSerializer users
+]
+
 { #category : #utilities }
 BlocSerializationTests >> test: aBlElement on: aTestBloc [
 	"This method take a blElement, execute a Bloc with assertions inside (from test implementation) for this blElement. The blElement is serialized and rebuild, the new blElement rebuild is re-tested by the Bloc with assertions to confirm the good serialization process "
 
 	| newBlElement |
-
 	"Execute the test bloc with the BlElement before serialization"
 	aTestBloc value: aBlElement.
+	
+	self serializersToTest do: [ :each | 
+		"Serialize the blElement for building a new blElement which should be with same properties"
+		newBlElement := self serializeThenMaterialize: aBlElement withSerializer: each.
+		
+		"Re-execute the test bloc with the new BlElement after materialization to confirm that the new object have same properties than the previous"
+		aTestBloc value: newBlElement ]
+	
 
-	"Serialize the blElement for building a new blElement which should be with same properties"
-	newBlElement := self serializeThenMaterialize: aBlElement.
+	
+	
+]
 
-	"Re-execute the test bloc with the new BlElement after materialization to confirm that the new object have same properties than the previous"
-	aTestBloc value: newBlElement
+{ #category : #utilities }
+BlocSerializationTests >> testNotEmptyTesting [
+	self assert: self serializersToTest isNotEmpty
 ]
diff --git a/src/Bloc-Serialization/Array.extension.st b/src/Bloc-Serialization/Array.extension.st
new file mode 100644
index 0000000..56df231
--- /dev/null
+++ b/src/Bloc-Serialization/Array.extension.st
@@ -0,0 +1,7 @@
+Extension { #name : #Array }
+
+{ #category : #'*Bloc-Serialization' }
+Array >> materializeAsBlElement [
+
+	^ self
+]
diff --git a/src/Bloc-Serialization/BlSerializer.class.st b/src/Bloc-Serialization/BlSerializer.class.st
index 375a12c..a2f5319 100644
--- a/src/Bloc-Serialization/BlSerializer.class.st
+++ b/src/Bloc-Serialization/BlSerializer.class.st
@@ -4,57 +4,57 @@ Serailizer class for Bloc
 Class {
 	#name : #BlSerializer,
 	#superclass : #Object,
+	#traits : 'TBlSerializer',
+	#classTraits : 'TBlSerializer classTrait',
+	#classInstVars : [
+		'serializer'
+	],
 	#category : #'Bloc-Serialization-Core'
 }
 
 { #category : #serialization }
 BlSerializer class >> materialize: aString [
 	"Materialize a String into a BlElement and return it. Default materializer is STON."
-	| blElement |
-	aString isString not ifTrue:[ BlocMaterializationError signal: 'Cannot materialize a no String object into BlElement' ].
-	"Try to materialize and catch an error into a BlocMaterialization error"
-	[ blElement := STON fromString: aString ] onErrorDo: [ :e | BlocMaterializationError signal: 'Cannot support Bloc materialization of this String (', e asString, ')' ].
-	blElement ifNil:[ BlocMaterializationError signal: 'Bloc materialization result is nil' ].
 
-	^ blElement
+	| serializerClassName serializerClass |
+	aString ifEmpty: [ ^ BlocMaterializationError new signal ].
+	aString first = $" ifFalse: [
+		^ BlStonSerializer materialize: aString ].
+	serializerClassName := aString lines first allButFirst allButLast.
+	serializerClass := Smalltalk environment classNamed:
+		                   serializerClassName.
+	^ serializerClass materialize: ('' join: aString lines allButFirst)
+]
+
+{ #category : #initialization }
+BlSerializer class >> reset [
+
+	<script>
+	serializer := nil
 ]
 
 { #category : #serialization }
 BlSerializer class >> serialize: aBlElementOrABlElementsCollection [
 	"Serialize a BlElement or a list of BlElements into a String using a serializer. Default serializer is STON."
 
-	| string |
-	aBlElementOrABlElementsCollection isCollection 
-		ifTrue: [ self verifyCollection: aBlElementOrABlElementsCollection ] 
-		ifFalse: [ self verifyElement: aBlElementOrABlElementsCollection ].
-	
-	"Try to serialize and catch an error into a BlocSerialization error"
-	[ string := STON toStringPretty: aBlElementOrABlElementsCollection ] onErrorDo: [ :e | BlocSerializationError signal: 'Cannot support serialization of this BlElement (', e asString, ')' ].
-
-	^ string
+	^ self serialize: aBlElementOrABlElementsCollection with: self serializer
 ]
 
-{ #category : #'as yet unclassified' }
-BlSerializer class >> verifyCollection: aCollection [
-
-	"Check if the collection is supported : can contains some BlElements"
-	aCollection isString ifTrue:[ 
-		BlocSerializationError signal: 'Cannot serialize a String'
-	].
-
-	aCollection isDictionary ifTrue:[
-		BlocSerializationError signal: 'Cannot serialize a Dictionary'	
-	].
+{ #category : #serialization }
+BlSerializer class >> serialize: aBlElementOrABlElementsCollection with: aBlSerializer [
+	"Serialize a BlElement or a list of BlElements into a String using a serializer. Default serializer is STON."
 
-	aCollection do: [ :each | self verifyElement: each ]
+	| string |
+	string := aBlSerializer serialize:
+		          aBlElementOrABlElementsCollection.
+	^ '"<1s>"<r><2s>' expandMacrosWith: aBlSerializer name with: string
 ]
 
-{ #category : #'as yet unclassified' }
-BlSerializer class >> verifyElement: aBlElement [
+{ #category : #accessing }
+BlSerializer class >> serializer [
 
-	(aBlElement isKindOf: BlElement) ifFalse: [
-		BlocSerializationError signal:
-			'Cannot serialize an objet which is not from BlElement class hierarchy' ]
+	serializer ifNil: [ serializer := BlStashSerializer ].
+	^ serializer
 ]
 
 { #category : #'see class side' }
diff --git a/src/Bloc-Serialization/BlStashSerializer.class.st b/src/Bloc-Serialization/BlStashSerializer.class.st
new file mode 100644
index 0000000..13c6c33
--- /dev/null
+++ b/src/Bloc-Serialization/BlStashSerializer.class.st
@@ -0,0 +1,26 @@
+"
+Serailizer class for Bloc
+"
+Class {
+	#name : #BlStashSerializer,
+	#superclass : #Object,
+	#traits : 'TBlSerializer',
+	#classTraits : 'TBlSerializer classTrait',
+	#category : #'Bloc-Serialization-Core'
+}
+
+{ #category : #'as yet unclassified' }
+BlStashSerializer class >> materializeImplementation: anObject [
+
+	^ Stash new materialize: anObject
+]
+
+{ #category : #'as yet unclassified' }
+BlStashSerializer class >> serializeImplementation: anObject [
+
+	^ Stash new serialize: anObject
+]
+
+{ #category : #'see class side' }
+BlStashSerializer >> seeClassSide [
+]
diff --git a/src/Bloc-Serialization/BlStonSerializer.class.st b/src/Bloc-Serialization/BlStonSerializer.class.st
new file mode 100644
index 0000000..7a5f0f2
--- /dev/null
+++ b/src/Bloc-Serialization/BlStonSerializer.class.st
@@ -0,0 +1,26 @@
+"
+Serailizer class for Bloc
+"
+Class {
+	#name : #BlStonSerializer,
+	#superclass : #Object,
+	#traits : 'TBlSerializer',
+	#classTraits : 'TBlSerializer classTrait',
+	#category : #'Bloc-Serialization-Core'
+}
+
+{ #category : #'as yet unclassified' }
+BlStonSerializer class >> materializeImplementation: anObject [
+
+	^ STON fromString: anObject
+]
+
+{ #category : #'as yet unclassified' }
+BlStonSerializer class >> serializeImplementation: anObject [
+
+	^ STON toStringPretty: anObject
+]
+
+{ #category : #'see class side' }
+BlStonSerializer >> seeClassSide [
+]
diff --git a/src/Bloc-Serialization/TBlSerializer.trait.st b/src/Bloc-Serialization/TBlSerializer.trait.st
new file mode 100644
index 0000000..f0228f5
--- /dev/null
+++ b/src/Bloc-Serialization/TBlSerializer.trait.st
@@ -0,0 +1,54 @@
+Trait {
+	#name : #TBlSerializer,
+	#category : #'Bloc-Serialization'
+}
+
+{ #category : #serialization }
+TBlSerializer classSide >> materialize: aString [
+	"Materialize a String into a BlElement and return it. Default materializer is STON."
+	| blElement |
+	aString isString not ifTrue:[ BlocMaterializationError signal: 'Cannot materialize a no String object into BlElement' ].
+	"Try to materialize and catch an error into a BlocMaterialization error"
+	[ blElement := STON fromString: aString ] onErrorDo: [ :e | BlocMaterializationError signal: 'Cannot support Bloc materialization of this String (', e asString, ')' ].
+	blElement ifNil:[ BlocMaterializationError signal: 'Bloc materialization result is nil' ].
+
+	^ blElement
+]
+
+{ #category : #serialization }
+TBlSerializer classSide >> serialize: aBlElementOrABlElementsCollection [
+	"Serialize a BlElement or a list of BlElements into a String using a serializer. Default serializer is STON."
+
+	| string |
+	aBlElementOrABlElementsCollection isCollection 
+		ifTrue: [ self verifyCollection: aBlElementOrABlElementsCollection ] 
+		ifFalse: [ self verifyElement: aBlElementOrABlElementsCollection ].
+	
+	"Try to serialize and catch an error into a BlocSerialization error"
+	[ string := STON toStringPretty: aBlElementOrABlElementsCollection ] onErrorDo: [ :e | BlocSerializationError signal: 'Cannot support serialization of this BlElement (', e asString, ')' ].
+
+	^ string
+]
+
+{ #category : #'as yet unclassified' }
+TBlSerializer classSide >> verifyCollection: aCollection [
+
+	"Check if the collection is supported : can contains some BlElements"
+	aCollection isString ifTrue:[ 
+		BlocSerializationError signal: 'Cannot serialize a String'
+	].
+
+	aCollection isDictionary ifTrue:[
+		BlocSerializationError signal: 'Cannot serialize a Dictionary'	
+	].
+
+	aCollection do: [ :each | self verifyElement: each ]
+]
+
+{ #category : #'as yet unclassified' }
+TBlSerializer classSide >> verifyElement: aBlElement [
+
+	(aBlElement isKindOf: BlElement) ifFalse: [
+		BlocSerializationError signal:
+			'Cannot serialize an objet which is not from BlElement class hierarchy' ]
+]